John Cunningham (RAF officer)
CBE DSO** DFC*
Wing Commander John Cunningham, 1942.
|Born||27 July 1917|
|Died||21 July 2002 (aged 84)|
|Service/branch|| Royal Air Force
Royal Auxiliary Air Force
|Years of service||1936–67|
|Unit||No. 604 Squadron RAF
No. 85 Squadron RAF
|Battles/wars||World War II|
|Awards||Commander of the Order of the British Empire
Distinguished Service Order & & two Bars
Distinguished Flying Cross & Bar
John "Cat's Eyes" Cunningham CBE DSO** DFC* (27 July 1917—21 July 2002), was a Second World War British Royal Air Force (RAF) night fighter ace and test pilot. During the war he was nicknamed "Cat's Eyes" by the British Press to explain his successes and to avoid communicating the existence of airborne radar to the enemy.
John Cunningham was born in Croydon in 1917 in the midst of the First World War. He was keen on entering the aviation industry as a teenager. Temporarily abiding his father's wishes to avoid the military, he approached the de Havilland company and was accepted as an engineering candidate. Concurrently, he joined the Royal Auxiliary Air Force and became a member of No. 604 (County of Middlesex) Squadron. Cunningham began his training in August 1935 and flew solo in March 1936. He received his wings in the summer of 1937. Cunningham gradually became an established test pilot gaining a considerable amount of flying time on different types of aircraft.
In August 1939 Cunningham rejoined his Squadron, now equipped with a version of the Bristol Blenheim. His operator was Jimmy Rawnsley, who would serve as his gunner and radio operator for most of the war and contribute to all but three of Cunngham's victories. On 26 July 1940 the Squadron was re-designated a specialised night fighter unit and was amongst the first to receive Airborne Interception radar (AI). Cunningham was promoted to Squadron Leader in September 1940. In the autumn, as the Battle of Britain subsided and The Blitz began, the squadron re-equipped with the rugged and heavily armed Bristol Beaufighter.
On the night of the 19 November 1940 he claimed his first victory. By the time the Blitz had ended in June 1941, Cunningham had destroyed 13 enemy aircraft and claimed three as probable victories and two damaged. After a prolonged rest period, he was promoted to Wing Commander in 1942. He was also appointed to command No. 85 Squadron RAF by which time his tally had reached 16 enemy aircraft destroyed. In 1943 and early 1944 he added a further four victories, one probable and one damaged. Cunningham's combat career ended with 20 aerial victories, three probable and six damaged. He spent the remainder of the conflict in various staff officer positions. By the end of the war in Europe in May 1945 had attained the rank of Group Captain.
After the war Cunningham re-joined de Havilland and continued his test pilot career. He flew the World's first Jet airliner, the de Havilland Comet in 1949. He then flew commercial jets for a time in the early 1960 and continued flying in the industry until the late 1970s. He also worked for British Aerospace as executive director, retiring in 1980. In recognition of his wartime exploits and his contribution to civil aviation he was awarded an Order of the British Empire. In his retirement Cunningham was nearly financially ruined when Lloyd's of London ran into financial difficulty in 1988. He was forced to live frugally until the end of his life. He died six days shy of his 85th birthday.
John Cunningham was born in Croydon in South London on 27 July 1917, in the midst of the First World War. His father, Arthur Gillespie Cunningham, worked for The Dunlop Rubber Company at Fort Dunlop based in Birmingham. He rose to the position of Company Secretary. In 1910 he married Evelyn Mary Spencer. Her family owned an engineering company in Coventry which supplied the fabric and textiles company Courtaulds with heavy machinery. In the 1920s, her Grandfather was Lord Mayor of Coventry. The family located to Croydon where John was born, along with two elder sisters Mary and Janet and a younger brother, William. John attended Bowden House School, apreparatory school at Seaford, East Sussex until he was 9. He was subsequently a pupil at Whitgift School, a public school in Croydon. In 1926, on a school holiday, he took a flight in an Avro 504. His experiences encouraged him to enter the Officers Training Corps at the School. A personal tragedy occurred in 1930 when his father died. Still, Cunningham did well at school, particularly in the mathematics field. He was keen on entering the aviation industry as a teenager.
de Havilland apprenticeship
At 18, he joined the de Havilland Aircraft company in 1935 as an apprentice. Cunningham began his engineering career with a some menial projects before being invited to assist with the building of the de Havilland T.K.2 and de Havilland Moth Minor. Concurrently, he joined the Royal Auxiliary Air Force and became a member of No. 604 (County of Middlesex) Squadron after a recommendation by a friend of the family. Cunningham began his training at Hatfield Aerodrome in August 1935 and flew solo on 15 March 1936, receiving his commission as a pilot officer on 7 May 1936.
He received his wings in the summer of 1936. He met Jimmy Rawnsley at this time, a 32-year old electrical engineer who would later severe as aerial gunner and radar operator on all but three of John's successful air battles. Cunningham subsequently became a junior test pilot with de Havilland, working with light aircraft alongside Geoffrey de Havilland, the company founder's son and Chief Test Pilot. The company was short of test pilots and Cunningham caught the eye of de Havilland as his flight experience grew. It was reflected by his promotion to flying officer on 5 December 1937. At this time John began to care more for test-flying than manufacture and design. He became one of four of de Havilland's top test pilots.
Cunningham continued with his career. In March 1938 he was called to readiness with 604 Squadron during the Munich crisis. At this time the squadron was flying the Hawker Demon. He was displeased when they converted to the Bristol Blenheim. The machines were fitted with a tray of four 303 Browning machine guns to give forward-facing firepower. As a long-range fighter it was of dubious value. The German Messerschmitt Bf 109 and Messerschmitt Bf 110 could, and would, expose the frailties of the aircraft which was originally intended as a bomber. However, Cunningham was told by the Air Ministry that it would be sufficient in the night fighter role, which is where they intended to sue this variant. On 20 April 1938, John returned to de Havilland test-flying de Havilland Moth Minors.
On 11 April 1939 he narrowly escaped with his life alongside Geoffrey de Havilland; both men parachuting to safety. They had taken a Moth Minor into the air to test its response to spins. The prototypes had an anti-spin parachute but preceding tests had been carried out without the need to resort to the safety measure. Geoffrey put the aircraft into a left-hand spin which was recovered. Climbing back to 8,000 feet the aircraft was put into it a right-hand spin. The engine cut out, the nose reared-up and the aircraft stalled and entered a flat spin. Geoffrey asked John through the Gosport tube to try to escape their perilous situation after the controls proved non-responsive to de Havilland's efforts. Both decided to parachute out. Upon doing so the Moth declined its nose and recovered from the spin. The engine ignition had been left on and the wind-milling propeller started the engine. The aircraft began circling the descending airmen at dangerously close range. Fortunately it descended at a faster rate and was destroyed when it hit the ground. Cunningham casually took pictures of the wreckage and his parachute which exemplified his cool nature.
In response to the Nazi–Soviet pact on 23 August 1939, the RAF mobilised. Cunningham had been test-flying the airliner de Havilland Dragon. Only 16 were complete before the declaration of war in September. The growing tension in Europe made war more likely. John was forced to commit himself either to de Havilland or the RAF at this juncture. The RAF had trained him and he felt he could be of far more use in the RAF than test-flying aircraft.
Second World War
In August 1939 Cunningham rejoined his squadron which had been equipped with a version of the Bristol Blenheim. John was not enthusiastic about flying the Blenheim. The turret had been eliminated to reduce weight and increase speed, but nevertheless, the flying suits nor the cockpit was heated which caused discomfort to the crews over the winter. The radios were too-short-a-range which casued communication problems. The Blenheim's cockpit windshield was multi-faceted and difficult to clean. It was also liable to reflect light; which made cooperation with searchlights hazardous. The unit also had unspecified problems with blind-flying instruments. The squadron incurred some losses owing to the inexperience of crews flying patrols over the North Sea from RAF North Weald in Essex, a number of them a result of the difficulties with the aircraft. In January 1940 604 moved to Northolt and flew Blenheim's adorned in the Finnish Air Force Swastika to Finland via Sweden to assist the country after the Soviet invasion.
Cunningham was promoted to flight lieutenant on 12 March 1940. In April 1940 the Squadron flew as escort for a De Havilland Flamingo carrying Winston Churchill, First Lord of the Admiralty, to Paris to attend a meeting after the German invasion of Denmark and Norway. Most of the unit's time during the Phoney War was consumed engaging in intensive training over The Wash which included co-operation with searchlights and mine-laying operations. It did not last for long. On 15 May 1940, 604 was moved to RAF Manston. From the airfield Cunningham flew sorties over the English Channel and patrols over Dunkirk as the Battle for France intensified. Cunningham made no recorded contact with the enemy and France capitulated on 25 June 1940.
On 26 July 1940 the Squadron was re-designated a specialised night fighter unit. The squadron was amongst the first to receive Airborne Interception radar (AI). 604 was sent a number of AI Mk. IV radar sets. Jimmy Rawnsley, Cunningham's friend and crew-mate, saw this as an opportunity to join a program which promised a bright future. Rawnsley retrained as a radar operator and would re-join Cunningham in January 1941. In the intervening period the squadron was frequently frustrated by the limitations of the Blenheim. Even with the "magic boxes", they were too slow to catch any of the German bombers if the enemy was given the slightest advantage. Cunningham flew with 604 on the night of the 18/19 June when the Luftwaffe flew its first major operation in the Greater London area. No victories were claimed in the summer 1940.
Cunningham was promoted to acting Squadron leader in September 1940, commanding B Flight. Within the month the unit received the heavily armed and powerful Bristol Beaufighter. After the Commanding Officer, Cunningham was the second man to fly it. The Beaufighter went through a teething stage in relation to its gun sight. The sight projected a ring of light with a spot at the centre onto a small sheet of glass directly in front of the pilots head. The spot in the centre provided the aiming point, and the ring, of variable diameter, helped him to judge the rage and amount of deflection needed to attack a target. The light's brilliance was adjustable by rheostat, but the control was ineffective. Rotating it a fraction could produce maximum brilliance or cause the spot to flicker out.
Air Marshal Sholto Douglas formed the Night Fighting Committee and met regularly at Bentley Priory to discuss operational problems. As a experienced aviator, Cunningham was invited to attend. Henry Tizard invited Cunningham to air his views at the meeting. Tizard referred him to the Royal Aircraft Establishment to meet Arnold Alexander Hall, a gun sight expert. With his engineering expertise and Cunningham's assessment of the issue, Hall ironed out the inadequacies in the design. Hall would later became Cunningham's managing director and boss at Hawker Siddeley twenty years later. Cunningham also worked with Ground Control of Interception (GCI) carrying out various exercises. He made the acquaintance of Philip Joubert de la Ferté, (Chief of the Air Staff),who dropped in on 604 as well as Douglas—the two men were always keen to hear the experiences of the crew.
The AI sets added to Beaufighters were the first to be mass-produced. The operating frequency was 190 to 195 MHz with a wavelength of 1.5 metres. The equipment consisted of a receiver, transmitter, control panel, modulator, indicator unit and a system of fixed dipole aerials. On the nose the aerial was a double arrowhead shape with a pair of azimuth aerials protruding above and below the leading edge of each wing between the cannon and the wingtip. A pair of elevation aerials were located above and blow the wing surfaces near the RAF roundel on the starboard side. The indicator display consisted of two cathode ray tubes. They displayed elevation and azimuth bearing. The set had a range-limitation of four miles (circa 20,000 feet). The minimum range of detection was usually around 400 feet. At closer ranges the target merged with the transmission pulse and was obscured. At altitudes below 1,000 feet, the returns from ground objects would swamp the tubes. Operators like Rawnsley were left to do a fair amount of guesswork. No scales or calibration markings were put on early sets. The position and heading of the enemy in the azimuth, plane, its height, and its range had to be guessed. At least the CGI could bring the Beaufighter well within range of the target, usually a mile or so behind the bomber.
The Cunningham–Rawnsley team used the AI specifically to position themselves directly astern and underneath the enemy. Although the German bombers carried a dorsal gunner, it was difficult to locate an enemy against the black colour of the landscape. Usually the blackness of the country would swallow up the outline of an approaching night fighter. As they approached, the slipstream of the enemy could prove hazardous; buckling the Beaufighter and throwing the pilot off his aim. Approaching from slightly below allowed the attacking pilot to avoid the slipstream. The tactics allowed for Cunningham to close the range and fire first, which was usually sufficient to end the engagement quickly and successfully. Bob Braham, a rival night fighter ace, also used this tactic.
Throughout the summer, Cunningham and 604 had to sit idle and frustrated as the Battle of Britain raged. By the autumn, the battle subsided. Having failed to gain air superiority the Luftwaffe now resolved to bomb British ports and industries. The change in German strategy began The Blitz phase of the aerial campaign. On the night of the 19/20 November 1940 the Luftwaffe raided Birmingham. The Germans hoped to follow up their attacks on the West Midlands after a highly effective raid against Coventry on 14 November 1940. Pathfinders from Kampfgruppe 100 (Battle Group 100) led 369 aircraft from Kampfgeschwader 26 (KG 26—Bomber Wing 26), Kampfgeschwader 54 (KG 54), Kampfgeschwader 55 (KG 55) to the city.
Cunningham took off this night from RAF Middle Wallop in Hampshire to patrol north of London. When the direction of the raid was known he was ordered to proceed to the East Midlands. CGI vectored Cunningham and is temporary radar operator John Phillipson—a former ground radar operator—onto an enemy aircraft, but the crew were forced much further westward. Search lights attracted their attention and Phillipson was able to make a contact and guide him. Soon visual confirmation was made. A tell-tale sign of an aircraft was a blank patch of sky surrounded by a cluster of stars. Keeping in the enemy's blind spot, he flew below it and adjusted his speed to match the German pilot. After closing the range as much as he dared, he fired with all four cannons and the Junkers Ju 88 exploded upon hitting the ground near Wittering, Cambridgeshire at 00:35. Cunningham's victim, 3./KG 54 Ju 88 flown by Unteroffizier Kaspar Sondermeister, was not claimed as destroyed. However, after interrogation of the two German survivors who affirmed the circumstances, Cunningham was granted the victory.
Cunningham had to wait a month for his next victory on 23 December 1940. Kampfgeschwader 1 (KG 1) sent 100 bombers led by Kampfgruppe 100 to attack Manchester. CGI vectored Cunningham onto the enemy aircraft. It was not yet dark and Cunningham identified the machine as a Heinkel He 111. Flying at 15,000 feet, he saw the Heinkel above the Beaufighter at 16,500 feet. Cunningham engaged the enemy 50 miles south of West Lulworth. The enemy climbed to 19,000 feet. Following, Cunningham opened fire at 200-300 yards. The He 111 was engulfed in fire. The bomber was high enough for the crew to jettison the bombs and incendiaries and glide to France where it crash-landed at Cherbourg. Two of Feldwebel Georg Deininger's crew were wounded. The 3./KGr 100 machine was written off. The crew were unaware they had been a victim of a night-fighter. They supposed they had been shot down by a Flak ship.
On 2 January 1941 Cunningham nearly added a third. The Germans attacked Cardiff in the city's heaviest raid of the war. Cunningham engaged a He 111 with an even spread of three aerial masts along its rear fuselage—indicative of a pathfinder. He expended all ammunition against it, save for a cannon that stopped. It dived into clouds at 10,000 feet at an angle of 50 degrees. A 2./KGr 100 machine returned to France with a wounded gunner and Cunningham received credit for a probable victory. On 12 January he claimed a damaged He 111—his first with operator Jimmy Rawnsley. Cunningham was awarded the Distinguished Flying Cross (DFC) on 28 January 1941 for his achievements, including 25 night sorties.
On 9 February, upon the invitation of Charles Portal, Chief of the Air Staff and Sholto Douglas, Cunningham arrived at the Air Ministry. He was ordered to report to Geoffrey de Havilland at Hatfield, though neither of the senior officers would say why. When Cunningham met Geoffrey de Havilland he was summoned to a hangar. It was the first time Cunningham had laid eyes on the de Havilland Mosquito. Cunningham flew W4050—the prototype—on 9 February 1941. He was greatly impressed by the "lightness of the controls and generally pleasant handling characteristics"; Cunningham concluded that when the type was fitted with AI equipment, it would be a perfect replacement for the Bristol Beaufighter.
Cunningham claimed a third victory on 15 February 1941. The Luftwaffe carried out air attacks on Liverpool and Humberside. Over Newton Abbot, Devon, he engaged a He 111 from Kampfgeschwader 27 (KG 27). It crashed outside Totnes. The bomber, 1G+FR, belonging to 7./KG 27 was completely destroyed. Leutnant Eberhard Beckmann and his crew were killed. The fifth victory alluded Cunningham for some time. On 12 March he was twice vectored onto enemy aircraft by Rawnsley. He could only claim a Ju 88 and He 111 damaged. On the night of the 3 April 1941 he accounted for his fourth enemy aircraft. Although claimed as a He 111, the identity of the aircraft was likely the Ju 88A-5, Werknummer (Factory Number) 4224, code V4+AR of 7./KG 1 on a mission to raid Avonmouth. Leutnant Ernst Menge and his crew; Wilhelm Hahn, Robert König, and Wilhelm Schreiber posted missing in action. On the night of the 7 April he became a fighter ace. A He 111 of 9./KG 26 was intercepted as its bombers attacked Portsmouth and Portland Harbour. Leutnant Erwin Hartmann crashed into the Channel with his crew. A No. 87 Squadron RAF pilot, Flight Lieutenant Derek Harland Ward claimed the victory as he saw a glow which he fired at before it hit the sea. However, Cunningham was credited with the victory as the Heinkel was about to crash. The 87 Squadron War Diary acknowledged the fact in its entry for that night.
Two nights later, on 9 April, he accounted for another He 111 followed by another plus a probable victory on 11 April. It is possible his victim on the later mission was He 111P-2, Werknummer 2002, 1G+HT of 9./KG 27. Pilot Leo Roth and crew members Oberfeldwebel Wilhelm Franke, and Unteroffizier Walter Rüggeberg and Fritz Unterieser were killed. A pilot from 307 Squadron also claimed the machine which crashed at Prowers Farm, Lydlinch, Dorset at 01:35. A 8./KG 55 He 111 was lost with its crew over the Channel and a Stab./KG 26 machine was lost over northern France when the crew abandoned their damaged aircraft. Cunningham's comrade in 604, Roderick Chisholm, accounted for a 5./KG 54 Ju 88 near Portsmouth.
On 15 April Cunningham was to have his most successful night, shooting down three bombers (victories no. 8–10). On patrol near the south coast he engaged a He 111 over Monmouthshire which he shot down with only 40 rounds. He returned to Middle Wallop only to be sent on patrol for a second sortie. He took off and headed south, towards Southampton. CGI was too busy to employ him and he was granted a request to investigate a searchlight cone towards Marlborough. Rawnsley directed him to attack and he duly shot down the He 111 which crashed into derelict houses in Southampton. He was sent by CGI after another enemy but lost the contact, appearing over Southampton again he spotted yet another He 111 in the moonlight. He closed to 80 yards and shot it down. It crashed in the area of Lymington. Cunningham's 9th victory was Werknummer 2857, code G1+ES, belonging to 8./KG 55. The Heinkel, piloted by Oberleutnant Günther von Seidlitz, crashed onto No. 10-12 Padwell Road, Southampton at 02:00. Seidlitz and Feldwebel Franz Hümmer were killed in action and Unteroffizier Horst Rosenberg and Herbert Sauer were taken prisoner of war. In April, having downed at least 10 enemy aircraft in night-fighting operations, Cunningham was decorated with his first Distinguished Service Order (DSO).
On 3 May Cunningham accounted for another Heinkel. Four nights later on 7 May 1941 Cunningham achieved a victory—his 12th—in front of King George VI. Sholto Douglas accompanied the King whe appeared at Danebury Hill, not far from Middle Wallop. The King met Cunningham and Rawnsley. He congratulated the airmen on their success and asked Cunningham to get another on that night. The King then was driven to the CGI station Sopley outside Bournemouth to tour the facility. Eager to impress the King, Cunningham drove to dispersal and prepared to go on patrol. The Luftwaffe began operations at 22:00 that night, attacking Liverpool which took their flight path over 604's patrol area. Cunningham took off and intercepted a He 111 north of Bournemouth. The controller asked the King to go outside as they may have the opportunity of witnessing the battle. Although they did not see it, the King heard the results; the roar of engines and rattle of cannon fire. The Heinkel, from 7./KG 27, Werknummer 1639 code IG+DR, eventually crashed near Andersea Farm south of RAF Weston Zoyland at 23:30. Pilot Oberfeldwebel Heinz Laschinski, Feldwebel Heinz Shier, Oberfeldwebel Otto Willrich all survived though the pilot was badly burned. Flight Engineer Feldwebel Fritz Klemm and Feldwebel Heinz Shier were killed by gunfire. On the night of the 31 May/1 June 1941 he accounted for another He 111 as the Luftwaffe completed its last major raid of the Blitz. It was one of 24 German bombers lost on that night. The following morning Cunningham was promoted to temporary squadron leader.
Propaganda and press
In early 1941 the British press, with permission from the Air Ministry, was allowed to approach Cunningham and write about his experiences. One of the motivating reasons for the lack of censorship was morale. In the early stages of the Blitz, the perception among the civilian population was that the Germans could attack at will over Britain during the night. The publication of Cunningham's exploits were an attempt to assure the public the RAF was fighting back and imposing losses upon the Luftwaffe. Cunningham was singled out for attention for this purpose, though Rawnsley's contribution to his success was virtually ignored.
The Air Ministry did not want to allow the enemy to learn of their airborne radar. German night fighters would not be equipped with such devices on a large scale until much later. A legend was created to explain his successes instead. As the first night fighter ace, they were allowed to publish his picture. The captions read that his eye-sight was so exceptional it allowed him to see in the dark with the same visually ability as a domestic cat. It was also said that his diet of carrots provided him with Vitamin A which allowed him to maintain excellent night-vision. The ensuing public adulation was detested by Cunningham, but he accepted the "Cats-Eyes" tag as a necessary deception. The propaganda story served its purpose for the populace when it was released to the public in January 1941. The success of night defences also told the Germans the RAF was either improving its techniques, or it had something new.
The premier night fighter aces in the RAF—Cunningham, Braham and Branse Burbridge—did not appreciate press attention. In the case of Cunningham and Burbridge, this may have stemmed from deeper religious convictions about combat and killing. Burbridge became a priest during the war and both he and Cunningham did not cooperate with biographers when approached to have their exploits described in print after the war. During the war, Braham also actively shunned the lime-light. One of the country's best-selling newspapers, the Daily Express, asked to interview him but he declined. Much to Braham's embarrassment, his father gave interviews about his then famous son in 1943. When no stories were forthcoming, the newspapers soon lost interest. Braham and Cunningham were certainly aware of each other as a result of the press attention, and a competitive rivalry developed. In his book Scramble, Braham mentioned with pride the night he surpassed Cunningham's score permanently.
The dynamics of the air war changed in June 1941. The German invasion of the Soviet Union, Operation Barbarossa, opened up the Eastern Front. The German bomber force was heavily committed to the theatre. The escalation of the fighting in the Mediterranean and North African theatres also diverted German air strength. The operations of the Luftwaffe over Britain changed dramatically. Small numbers of bombers would make hit-and-run attacks on selected targets near the coast for the remainder of 1941, replacing the mass raids of the preceding autumn and winter. Cunningham used the decline in the pace of operations to train new crews.
Cunningham's practice of leadership was different to his day-fighter counterparts. A day unit would fly in formation together, engage the enemy together, communicate by radio and follow the directions and example of their commanding officer in combat. Cunningham was not in a position to lead in this way. The night fighter was a lone hunter. When it took off the crew would operate alone in the air. Instead, he could ensure proficiency in battle only by teaching his men to master their aircraft and AI. He was constantly in touch with scientists and tracked new developments. He also took up new crews in the Beaufighter to generate confidence in the machine. Night pilots had to learn to fly on instruments alone, in adverse weather conditions and for sustained periods. Rawnsley contributed with the use of AI and mock-interception using target aircraft were flown regularly.
Cunningham still flew on operations. Flying the new Beaufighter II powered by Merlin engines on an interception in July, he was hit by return fire from a He 111. The engines spluttered and one caught fire. Already far out to sea he flew back to base, extinguished the fire and made a wheels-down landing. The following month he had greater success. On the night of the 22 August 1941 he intercepted two He 111s. One was claimed as damaged but the second was confirmed. The Heinkel He 111, an H-5 model, Werknummer 4081, coded F8+BS belonging to 8./Kampfgeschwader 40 (KG 40), fell into the sea north-west of Wells, Somerset at 22.05. Gefreiter G. Dohmen, H. Hädrich, and K. Dändel were never found. The body of Rudolf Faath was washed ashore at Burnham Overy on 31 August. On 1 September Cunningham caught and downed a Ju 88—his 15th victory. He was awarded a bar to his DFC on 19 September, by which time he was an acting wing commander.
The winter 1941–42 passed by with relative inactivity. In the spring 1942, Arthur Harris began his campaign over Germany in earnest with a an attack by RAF Bomber Command upon Lübeck. Adolf Hitler, enraged by the attack, ordered the Luftwaffe to begin retaliatory strikes which began the so-called Baedeker Blitz. On 4 April Cunningham engaged and damaged a Baedeker raider He 111 pathfinder operating over Exeter. It was able to escape into cloud. KGr 100, the specialist German pathfinder unit, was now operating with new navigational aids which allowed them to fly through and navigate in thick cloud and rain. They deliberately operated whenever the weather proved more difficult for night fighters. Nevertheless, Cunningham made an interception on the night of the 23 May 1942.
Attempting his usual tactic, the British crew approached from behind and below. Suddenly the Heinkel lurched into a tight left-hand turn allowing the gunners to fire a broad-side. The bomber disappeared into the mist. Cunningham asked CGI for help. They tracked the Heinkel flying north near Shaftesbury. Engaging again the German pilot managed to turn into a head-on position and dive past almost upside down. He continually evaded Cunningham by turning in underneath him at near-impossible angles. Cunningham and Rawnsley came to understand they were not dealing with a novice. Soon a turning match began and then the German attempted to escape by twisting and diving. Cunningham forced him down to 900 feet but Rawnsley and CGI lost contact when the ground clutter hid the Heinkel's signal. Cunningham returned to base. News soon came through the He 111 had crashed onto the slopes on Cranborne Chase. Apparently, the Heinkel had broken through the clouds at only a hundred feet and dived vertically into the ground near the isolated village of Alvediston at 17:05. Intelligence later determined that the machine was a He 111H-6, Werknummer 4627, code 6N+FR, from 7./KGr 100. The bomber disintegrated upon impact. The pilot, Staffelkapitän (Squadron Leader) Hauptmann Siegried Langer was killed along with his crew; Oberfeldwebel G. Schmidt, Feldwebel D. Hoffmann, P. Gaidies and Gefreiter W. Worring. It was a unique victory for Cunningham. He had not fired his guns in the 150-minute chase.
Following the episode Cunningham was promoted to temporary wing commander on 1 June 1942, and following the downing of his 16th enemy aircraft, received a bar to his DSO on 24 July for, among other feats, "destroying an enemy aircraft without firing a single bullet...by diving through cloud at great speed, drove the enemy aircraft to the ground."
Cunningham and Rawnsley were soon ordered to staff positions. It was a compulsory order for fighter pilots even when the men considered themselves fit for operational duties. Before they departed Middle Wallop and 604, they had a chance to test the new 4–inch (10 cm) AI Mk. VIII radar which had a range of two or three miles (3–5 kilometres). The new radar was a radical improvement. All the information was displayed one single tube. The ground echo was reduced but could still be seen on screen when flying low, but it did no interfere with the overall picture. Cunningham was to take over as director of all training units from Rory Chisholm who left 604 to become a staff officer at group headquarters. Rawnsley was due to take an instructors job at 62 Operational Training Unit (OTU) at Usworth. Cunningham managed to persuade the CAS to deploy him to headquarters at No. 81 Group RAF, the training organisation for RAF Fighter Command. Rawnsley was also promoted to squadron leader and was awarded the DFC and Distinguished Flying Medal (DFM). The pair remained grounded for six months until January 1943.
Cunningham was allowed back onto operations. He was given command of No. 85 Squadron RAF, equipped wit he de Havilland Mosquito NF.II based at Hunsdon. He selected Jimmy Rawnsley as his operator. The radar set displayed the entire picture. A small cathode-ray tube set on the left side of the instrument panel gave Cunningham a composite image. The duo decided Rawnsley should control the interception in the initial stages until they reached a point where the enemy could take evasive action. Then Cunningham would take over while Rawnsley would call out the ranges and free the pilot from looking at his ray-tube.
On the night of the 3 March 1943 the Luftwaffe was active again. Cunningham scrambled too late to get contact with the CGI's. He climbed toward a searchlight box. The searchlights operated in a box-shape, separated by evenly spaced markers. Each fighter was given a box and flew to its allotted marker beacon. There he orbited until the lights illuminated a target, or formed a cone where he could pick up an AI contact. Soon he had a contact—a Dornier Do 217. He closed in but his cannons jammed. After sitting behind the Dornier for some time and trying in vain to encourage the guns to fire, the German crew suddenly woke up and dived away. Cunningham was furious. Three-quarters of the Squadron got airborne but only he had seen an enemy. Unsatisfied with ground and aircrews, he used his influence in the small night-fighter community to bring in personnel from his old unit, 604, currently languishing in Cornwall. With the new VIII radar a uniform facility, Cunningham took command of a Mosquito NF.XII—the first Mosquito to have a smooth "bluff" nose dome over the dish antenna.
At this time the Luftwaffe was sending increased numbers of Focke-Wulf Fw 190 fighters over England, at night and at low-level. They were able to hit the coastal areas and their speed and agility meant they were a difficult prospect to intercept. The German pilots were disadvantaged in some respects. There was a lack of nigh-flying experience in these units, the Fw 190s did not carry radar and had a short range. A side from a small mirror, the pilot could not always see behind him well enough at night. On 16 May 1943 the Fw 190s lost four and probably a fifth to 85 Squadron. On 13 June 1943 Cunningham intercepted an Fw 190 not far from his airfield at West Malling. The CGI controller telephoned the crew-room to notify them the commanding officer was closing on an enemy aircraft heading to London. They heard both aircraft and the brief burst of fire followed by the explosion. To his amazement, Cunningham later learned the pilot—Leutnant Ullrich from 3./Schnellkampfgeschwader 10 (Fast Bomber Wing 10—SKG 10)—was thrown through the canopy as the Fw 190A-5, Werknummer, 840047 code CO+LT, fell earthwards. He deployed his parachute and was picked up by a searchlight crew with a broken arm.
On the night of the 23 August an Fw 190 was claimed off Dunkirk and on 8/9 September 1943, an Fw 190A-5 off Aldborough proved his 19th victory and last claim of Cunningham for the year. The Fw 190 was seen to crash into the sea by the Coastguard. Cunningham achieved his 20th and final air victory on the night of the 2/3 January 1944. Chasing a Messerschmitt Me 410 to France, near Boulogne before shooting it down. The machine, Werknummer 017, Code U5+FE, belonging to 14./Kampfgeschwader 2 (KG 2) crashed at Marquise. Oberleutnant Helmut Schülze and Heinz Beger were killed.
In January 1944 the Luftwaffe initiated Operation Steinbock. Cunningham filed two claims during the offensive which lasted until May 1944. On the night of the 20/21 February 1944 he claimed Junkers Ju 188 damaged at 22:09 near Staplehurst. One Ju 188 was lost and its destruction was attributed to another pilot. On the night of the 23/24 February he claimed a probable victory against another Ju 188 off Beachy Head. One Ju 188E-1 landed at Coulommiers after surviving an attack by a night fighter. Werknummer 260222, code U5+AN from 5./KG 2 returned with two crewman injured—Unteroffizier Johann Triebel and Wihelm Spönemann. During these missions Cunningham was nearly shot down. Closing in on a Ju 188 from astern, the gunners suddenly opened fire and the Junkers took evasive manoeuvres. A single round struck the windshield nearly shattering it. Glass fragments struck Cunningham in the face which were later removed in a field hospital. Later, a captured German crew told intelligence officers a new radar was being used in the rear of German aircraft to detect night fighters. Bombers were now more difficult to surprise. Cunningham's last encounter with the enemy in 1944 was in pursuit of an Me 410. He had to gave up when his windshield iced over near the French coast.
On 3 March 1944 he was awarded another bar to his DSO. The citation describing him as "an example beyond praise." On 11 April 1944, Cunningham was decorated by the Soviet Union with the Order of the Patriotic War, 1st Class. He was promoted to wing commander (war-substantive) on 1 September 1944, serving in a series of staff positions for the remainder of the war.
In March 1944 Cunningham relinquished command of 85 Squadron. He was appointed Group Captain in command of Night Operations at No. 11 Group RAF. At 26 he was one the youngest to hold that rank. He was also awarded a second Bar to his DSO. Air Marshal Roderick Hill asked him to report to de Havilland in company with Adolph Malan. They were to test-fly the de Havilland Vampire. Cunningham commented that the machine would make an ideal night fighter. Although he was not familiar with the workings of the de Havilland Goblin turbojet, he recommended that if the cockpit was extended to allow for a navigator and the fuel tanks were enlarged, the type could make a formidable interceptor. While test-flying, Cunningham and Rawnsley carried out a sortie over Normandy fro RAF Uxbridge. They overflew the British sector on the 9 June 1944 as the Battle for Caen began. They were vectored onto enemy aircraft but were unable to hold their contacts.
On 13 June 1944 the V-1 flying bomb offensive began and Cunningham was tasked with assisting with their interception. He also coordinated his efforts with No. 100 Group RAF which were engaged in intruder operations over occupied Europe. Cunningham was concerned at using Mosquitos for intercepting V-1s because of the dangers of the bomb exploding and damaging the attacking fighter. One of his former commanding officers and current Group Captain Edward Crew—an ace with 15 enemy aircraft and 31 V-1s shot down—was forced to bale out when the nose of his Mosquito was split open. The operations did last long and by August 1944 the Mosquitos were back on bomber support missions.
Towards the end of the war he spent most of his time flying throughout Europe and meeting various commanding officers and units. He took advantage of his position to fly other types he had not had the chance to operate. He flew Supermarine Spitfires frequently on such trips. Soon after the Normandy Campaign he took leave to visit his mother in Ireland. She was staying with his sister Mary, (and his niece) who had lost her husband killed in action at Anzio in Italy. He remained with 11 Group until the capitulation of Germany on 8 May 1945.
In July 1945 was sent to the Far East. A Group was created which was a collection of RAF forces that were to be used to recover Singapore from the Japanese. Cunningham and Rawnsley flew out to Rangoon via Malta, Cairo, Baghdad and Karachi. Soon after they arrived they learned of the atomic attacks against Japan. On 2 September 1945, Japan surrendered and the Second World War was over. Cunningham was offered a permanent commission in the RAF but he feared his career, if he stayed, would become mired in administration, policy-making staff courses and committees. It would mean flying would become a secondary occupation. He decided to return to de Havilland. The company had asked the RAF to release him the previous summer but had been refused. He was formally de-mobilised in November 1945 and re-joined de Havilland on 1 December.
Cunningham relinquished his RAF commission officially on 1 August 1946, retaining the rank of group captain, but remaining in the re-constituted Auxiliary Air Force with the permanent rank of squadron leader. He reformed his old Auxiliary Squadron at the request of the Air Ministry in 1946 but took no active part in its running, serving as a reserve officer in the RAuxAF Reserve until his retirement as a reserve squadron leader on 1 August 1967.
At de Havilland he was awarded a salary of £ 1,500 in a company that had expanded enormously during the war. The number of employees rose from 5,000 to 38,000. The turnover of the company had gone from £1.5 million before the war to £25 million and was now supported by around 100 factories. Cunningham now took the title of Chief Test Pilot of the de Havilland Engine Company under the supervision of Geoffrey de Havilland Jr. Cunningham served as a pilot and consultant in a series of deals with the Swedish Air Force and Swiss Air Force. Both countries were keen to employ him but Cunningham visited only to deliver and advise on the de Havilland Vampire and British airborne radar design. In 1990 the Swiss presented him with the spade-grip of from the control column mounted on a wooden stand when they withdrew the last of their Vampires. When the Swedes retired the machine in 1997 he was invited to celebrate its 50 years of Swedish service.
On 27 September 1946 Geoffrey de Havilland Jr was killed test-flying the DH.108 Swallow over the Thames estuary. Cunningham had taken off at the same time to deliver the first Vampire in Switzerland. Cunningham only learned the next morning, from Swiss newspapers at breakfast in Geneva, that de Havilland was missing. Cunningham new the family well and contacted his father, whose other son John had been killed in a collision while flying a Mosquito in 1943. With the agreement of de Havilland senior, Cunningham took the dead pilot's post which earned him £2,000 per year.
In March 1948 he set a World Flight altitude record of 59,430 feet (18,114 metres). The flight lasted for 45 minutes, reaching 50,000 feet in 13.5 minutes. The following year he went on to test the de Havilland Comet, the world's first jet airliner which first flew in 1949. On 23 May 1952 he flew the Comet—now a highly successful export—carrying the recently widowed Queen Mother and Princess Margaret on a four-hour tour around the Alps. At one point he supervised the Queen Mother as she took the controls. She was to dine with members of the No. 600 Royal Auxiliary Air Force squadron later that night and was anxious to say she had flown. Cunningham continued to test-fly prototypes such as the re-built Comet 3 and 4 in the late 1950s. On 23 October 1956 he travelled to the United States and received the Harmon Trophy from President Dwight D. Eisenhower. It was the most prestigious American trophy for services of civil aviation. 
On 1 December 1958 he was appointed a member of the de Havilland board, but the company was sold and merged into Hawker Siddeley in 1960. With the Siddeley company, he was instrumental in the development in the Hawker Siddeley Trident in 1962. Cunningham worked under the managing director Arnold Alexander Hall, whom he had first met in 1940 to iron out the malfunctions in the Beaufighter gun sight. Later Cunningham acted as a consultant and advisor to the Chinese Government from 1972–79 as the company sought to increase its revenue by selling aircraft to China. At their insistence, he postponed his retirement for three years to complete a series of aircraft sales. On 1 May 1975 the British Government announced the nationalisation of the industry and British Aerospace consumed all the nations manufacturers.
Cunningham had one serious accident whilst flying. On 20 November 1975 at Dunsfold Aerodrome, Surrey, a flock of Snowy plover birds collided with the British Aerospace BAe 125 aircraft just after takeoff and were ingested by the engines. Cunningham was forced to make an emergency landing. He put the aircraft down at 130 mph, onto the runway, but it careered through the perimeter of the airfield and across a public road where it collided with a car carrying four passengers who were killed; no-one died on board the HS-125. Cunningham suffered two crushed vertebra but he remained chief test pilot at Hawker Siddeley after the accident until 1978 when British Aerospace was formed. He was awarded the Segrave Trophy for his services in 1978. In recognition of his wartime exploits and his contribution to civil aviation he was awarded an Order of the British Empire and retired from British aerospace in 1980.
In his retirement, Cunningham devoted himself to aviation affairs of a charitable nature while building a retirement fund for himself. From 1980 he was appointed Chairman of the Sir Geoffrey de Havilland Flying Foundation, a charity to devoted to helping young people with aspirations in aviation. Over a number of years former senior RAF officers had been attracted to investing in Lloyd's of London. Unfortunately, Cunningham's commitment was one of unlimited liability. When Lloyd's ran into financial difficulty in 1988 he was faced with enormous debts. He was forced to live frugally until the end of his life. John Cunningham died six days shy of his 85th birthday in July 2002.
Sale of medals
Following Cunningham's death in 2002 his service medals and flying memorabilia was passed to the de Havilland Aircraft Company Trust. The medals were subsequently sold to raise funds for the Bentley Priory Battle of Britain Trust Appeal for £384,000 on 7 September 2012.
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