An aggressor squadron or adversary squadron (in the US Navy and USMC) is a squadron that is trained to act as an opposing force in military wargames. Aggressor squadrons use enemy tactics, techniques, and procedures to give a realistic simulation of air combat (as opposed to training against one's own forces). Since it is impractical to use actual enemy aircraft and equipment, surrogate aircraft are used to emulate potential adversaries. The first formal use of dissimilar aircraft for training was in 1968 by the Navy Fighter Weapons School (better known as "TOPGUN"), which used the A-4 Skyhawk to simulate the performance of the MiG-17. The success of formalized Dissimilar air combat training (DACT) led to transition of Navy Instrument Training Squadrons equipped with the A-4 into Adversary Squadrons at each Master Jet Base. The USAF followed suit with their first Aggressor squadrons at Nellis AFB equipped with the readily available T-38 Talon.
In WWII, the antagonists captured each others aircraft and introduce them into a modest DACT role. The Germans created a unit known as "Touring Zirkus Rosarius" with captured P-51s, P-47s etc. that visited fighter bases and even let the senior pilots fly the adversary aircraft themselves. The RAF created a unit with Luftwaffe captured fighters (Me-109s and FW-190s) that were fully tested and then taken to USAAF and RAF bases for familiarization training.
Aggressor aircraft used in the United States
US aggressor squadrons fly small and low-wing loaded fighters that are used to represent those of the potential adversaries. Originally Douglas A-4s (US Navy) and Northrop F-5s (US Navy, Marines, and Air Force) were flown along with T-38 Talons that were immediately available and served as placeholders until new F-5E/F Tiger II aircraft were introduced. The Navy and Marine Corps briefly operated 2 squadrons of F-21 Kfir Adversaries at NAS Oceana (VF-43) and Marine Corps Air Station Yuma (VMFT-401). These were eventually supplemented by early-model F/A-18As (US Navy) and specially built F-16Ns (for the US Navy) and F-16A models (for the Air Force). Starting at the end of 2005, the USAF has started using the larger and faster F-15 Eagle as an aggressor aircraft alongside the F-16 at Nellis Air Force Base. Nellis will soon receive a total of 24 Eagles to be used in adversary training.
Foreign aircraft have been used as aggressors in the United States, most notably the Israeli Kfir fighter, designated F-21 in its use as an adversary asset. Actual Soviet MiG-17s, 21s, and 23s have also been flown by the US Air Force as Aggressors over the Nellis ranges, under the Constant Peg program. The US Army operates eleven Soviet or Russian aircraft for adversary training, including Mi-24 Hinds, Mi-8 Hips, Mi-2 Hoplites, and An-2 Colts.
German MiG-29 aircraft were regular visitors to the United States before being sold to Poland and participated in valuable DACT training at Nellis AFB as well as NAS Key West in addition to providing dets to overseas locations or hosting US squadrons in Germany. One MiG-29 was loaned to the US for evaluation providing insight in the threat technology.
While aircraft used for the aggressor role are usually older jet fighters, this has not always been the case. During the mid-1980s, the US Navy determined that the A-4s and F-5s flown at Top Gun were not adequate in simulating the air-to-air capabilities of the newest Soviet fighters such as the MiG-29 and Su-27. At this point, the U.S. Navy held a competition for an adversary platform that could viably represent fourth-generation fighter threats embodied by the MiG-29, Su-27 and the Mirage 2000. The competing airframes were the General Dynamics F-16C Falcon and the Northrop F-20 Tigershark. According to George Hall's "Top Gun", many instructors at the Navy Fighter Weapons School preferred that the Navy procure the F-20. One reason given being the similarity to the F-5E Tiger aircraft already used by Top Gun and the four active duty adversary squadrons (VF-43, VF-45, VF-126, and VFA-127). However, General Dynamics priced the Falcon for the Navy at below cost. The F-16C won the competition and the F-20 failed to win another order, which when compounded with other lost contracts, led to the demise of the F-20 program and the elimination of one more competitor for the F-16 in the worldwide fighter market. The F-16C as procured by the Navy was equipped with the lighter AN/APG-63 radar set as flown in the F-16A, was devoid of the M-61 Vulcan gun system, had a titanium vice steel wing spar as in other F-16s, and had twin lens pods on both sides of the intake to enlarge the relatively small radar cross section of the F-16. Any equipment not necessary for visual-range aerial combat was removed, enhancing their agility and dogfighting abilities. These F-16s were designated F-16N, and twenty-two single seat aircraft and four twin seat, designated the TF-16N, were built for the US Navy and flown at its famous "TOPGUN" Navy Fighter Weapons School starting in 1987 as well as with VF-43, VF-45 and VF-126, which were still active duty Adversary squadrons at the time. Despite the Airframe being strengthened to cope with the continuous high-G loads associated with air combat manoeuvring, cracks were detected on the wings after only a few years of operation, leading to grounding of the Navy F-16 fleet by 1992 and complete retirement of the F-16N by 1994. In 2002 the Navy began to receive fourteen F-16A and F-16B models from AMARC at Davis-Monthan AFB that were brand new aircraft originally intended for Pakistan, but had been embargoed. All 14 are operated by NSAWC for use by TOPGUN in addition to the F/A-18A aircraft already in operation at NAS Fallon.
Aggressor aircraft in the United States are typically painted in colorful camouflage schemes, matching the colors of many Soviet aircraft and contrasting with the gray colors used in most operational US combat aircraft. Camouflage schemes that consist of many shades of blue (similar to those used in Sukhoi fighters) or of green and mostly-light brown (similar to the colors used in many Middle Eastern countries' combat aircraft) are most common.
Aggressor squadrons in the US armed forces include the USAF 18th Aggressor Squadron at Eielson AFB, the 64th and, until it's inactivation in September 2014, the 65th Aggressor Squadrons at Nellis AFB, the US Marine Corps' VMFT-401 at MCAS Yuma and the US Navy's VFC-12 at NAS Oceana, VFC-13 at NAS Fallon and VFC-111 at NAS Key West, as well as the famous "TOPGUN" Naval Fighter Weapons School (US Navy) which is not a squadron per se, but operates F-16A and F/A-18A/B/E/F aircraft as part of the Naval Strike and Air Warfare Center (NSAWC) at NAS Fallon. With the exception of the NSAWC aircraft, all the US Navy and US Marine Corps adversary squadrons are Reserve Component units and aircraft belonging to the Navy Reserve and the Marine Corps Reserve.
The USAF also operated Aggressor squadrons in the UK and in the Philippines. The 527 AS was a USAFE unit that first operated out of the former RAF Alconbury near Cambridge, England, then later from the former RAF Bentwaters near Ipswich. The 527th initially flew F-5s, then later switched to F-16s; and trained over the North Sea and in Germany, Spain and Italy. The PACAF counterpart, the 26th Training Aggressor Squadron, operated F-5s out of the former Clark Air Base near Angeles City, Philippines.
The Canadian Forces Air Command operated CF-5 (both single- and two-seat) aircraft in the "adversary" role, by 419 Squadron at Canadian Forces Base Cold Lake, Alberta. These wore quasi-Warsaw Pact colours similar to those worn by USAF/USN aircraft. This role ended with the retirement of the CF-5 in 1995.
414 Squadron operated the CF-100, CT-133, CC-117 and EF-101 in the electronic warfare (EW) adversary role from CFB North Bay, Ontario, until 2002. The squadron re-formed in 2009, again in the EW adversary role, based at Gatineau Airport, Quebec, flying ex-Luftwaffe Dassault/Dornier Alpha Jets owned by civilian contractor Discovery Air Defence Services.
Fleet support squadrons VU-32 and VU-33 sometimes filled an adversary role, using their CT-133's to simulate sea-skimming missiles, such as the Exocet, for the Canadian Forces Maritime Command's vessels.
Flight Test and Training Centre (FTTC) was established in 1987 and is located at Cangzhou. FTTC is organized into 3 regiments which simulate enemy aircraft.
- The 1st FTTC Regiment operates J-10A/AS and the JL-9.
- The 2nd FTTC Regiment operates J-7E,J-8D/F, and JL-9.
- The 3rd Regiment operates Su-30MKK.
In 2011 the 3rd Regiment of the FTTC traveled to Pakistan to excerise with the Pakistani Air Force.
The Soviet Air Forces began a program known as the 1521st Center for Combat Employment, located in Mary, Turkmen SSR, in 1970. The program was prompted by the poor performance of Soviet-supplied aircraft in Vietnam and the Middle East and by the equivalent American programmes. Before that the Air Force units used some of its own planes in MV roles, the MV standing for Modyeliruyemyiy Vrag which translates as “simulated enemy”.
The unit was also known as the 1521st Aviation Base, and consisted of 3 squadrons:
- Two squadrons took “aggressor” roles. Initially they operated the MiG-21 bis and the MiG-23MLD. Later both were equipped with MiG-29, painted to make them look like the F-15 Eagle.
- A third squadron operated drones for target practice for the visiting Soviet Air Force units.
The current status of 1521st is not known. It was taken over by Turkmenistan in 1992. It is supposed to have been disbanded after the collapse of the Soviet Union.
Reunified Germany inherited 24 MiG-29s from East German Air Force. They formed the JG73 "Steinhoff" squadron, that was partially used as Agressor squadron. NATO air forces compared the Luftwaffe's Fulcrums with western types during NATO training exercises. Many western pilots were able to train combat tactics against a real Russian fighter flown by highly experienced pilots and to execute air-air-combats against 'the real thing'.
No. 2 Squadron RNZAF was moved to NAS Nowra, New South Wales in February 1991. Their A-4K Skyhawks primarily served as targets for Royal Australian Navy air defences, but also were used in DACT with RAAF F-18 Hornets.
Private / outsourced aggressors
Some aggressor missions do not require dogfighting, but instead involve flying relatively simple profiles to test the target acquisition and tracking capabilities of radars, missiles, and aircraft. Some of these missions are outsourced to private companies that operate ex-military jets or small business jets in the aggressor role. Such aircraft include the L39, Alpha Jet, Hawker Hunter, Saab Draken, BD-5J, IAI Kfir, A-4 Skyhawk, MiG-21, and various models of Lear Jets. Nearly all the pilots who fly for these companies have experience flying combat aircraft, being either retired military officers or still serving officers concurrently flying in the Reserve and Air National Guard.
- Constant Peg
- "Soldiers", June 1995
- Holm, Michael. "1521st Center for Combat Employment". ww2.dk. Retrieved 8 Jan 2016.
- Davies, Steve (2008) Red Eagles: America's Secret MiGs Osprey Publishing ISBN 978-1-84603-378-0
- Drendel, Lou (revised 1984) ...And Kill MiGs, Air to Air Combat From Vietnam to the Gulf War - Aircraft Specials series, Squadron/Signal Publications. ISBN 0-89747-381-7
- Hall, George (1986). Top Gun - The Navy's Fighter Weapons School, Presidio Press. ISBN 0-87938-520-0
- Parsons, Dave and Nelson, Derek (1993) Bandits - Pictorial History of American Adversarial Aircraft, Motorbooks International. ISBN 0-87938-623-1
- Wilcox, Robert (2005-reissue)Scream of Eagles, Pocketstar. ISBN 0-7434-9724-4
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