Korean DMZ Conflict (1966–69)

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Korean DMZ Conflict
Part of the Korean Conflict
American and South Korean Soldiers, DMS 1967.jpg
American and South Korean soldiers at the DMZ, on 26 August 1967.
Date October 1966 – December 1969
Location Korean Demilitarized Zone
Result Status quo ante bellum
Belligerents
South Korea
 United States
 North Korea
Commanders and leaders
South Korea Park Chung-hee
United States Charles H. Bonesteel III
North Korea Kim Il-sung
Casualties and losses
South Korea:
299 killed
550 wounded[1]
United States:
43 killed
111 wounded
397 killed
12 soldiers and 2,462 agents captured[2]
,

The Korean DMZ Conflict, also referred to as a Second Korean War,[3] was a series of low-level armed clashes between North Korean forces and the forces of South Korea and the United States, largely occurring between 1966 and 1969 at the Korean DMZ; although other inter-Korean incidents between have occurred thereafter.[4]

Background[edit]

The Korean War had devastated both North and South Korea, and while neither side renounced its claims to reunify Korea under their control, neither side was in a position to force reunification.

1958 deployment of U.S. atomic weapons in Korea

In September 1956 the U.S. Chairman of the Joint Chiefs of Staff Admiral Radford indicated within the U.S. government that the U.S. military intention was to introduce atomic weapons into Korea, which was agreed to by the U.S. National Security Council and President Eisenhower. However paragraph 13(d) of the Korean Armistice Agreement mandated that both sides should not introduce new types of weapons into Korea, so preventing the introduction of nuclear weapons and missiles. The U.S. decided to unilaterally abrogate paragraph 13(d), breaking the Armistice Agreement, despite concerns by United Nations allies.[5][6] At a 21 June 1957, meeting of the Military Armistice Commission the U.S. informed the North Korean representatives that the U.N. Command no longer considered itself bound by paragraph 13(d) of the armistice.[7][8] In January 1958 nuclear armed Honest John missiles and 280mm atomic cannons were deployed to South Korea,[9] a year later adding nuclear armed Matador cruise missiles with the range to reach China and the Soviet Union.[5][10]

North Korea denounced the abrogation of paragraph 13(d) as an attempt to wreck the armistice agreement and turn Korea into a U.S. atomic warfare zone.[6] North Korea responded militarily by digging massive underground fortifications resistant to nuclear attack, and forward deployment of its conventional forces so that the use of nuclear weapons against it would endanger South Korean and U.S. forces as well. In 1963 North Korea asked the Soviet Union for help in developing nuclear weapons, but was refused. China later, after its nuclear tests, similarly rejected North Korean requests for help with developing nuclear weapons.[5]

In North Korea the departure of the People's Liberation Army in October 1958 allowed Kim Il-Sung to consolidate his power base and embark on the Chollima Movement of collectivised agriculture and industrialization to build a base for reunifying Korea by force. North Korea remained dependent on the Soviet Union for technology and on China for agricultural assistance. The Sino–Soviet split led to the Soviets suspending aid to North Korea in December 1962 saying that the DPRK was leaning too much towards China.[11]

Following the war South Korea remained one of the poorest countries in the world for over a decade. In 1960 its gross domestic product per capita was $79,[12] lower than most Latin American and some sub-Saharan African countries.[13] The April Revolution that forced President Syngman Rhee from office in April 1960 was followed by a brief period of democracy before a coup d'état led by General Park Chung-hee seized power in May 1961. Despite the political turmoil the South Korean economy continued to grow, led by the industrial sector.[11] Rapid industrial growth started in the late 1960s, with gross domestic product per capita rising from $100 in 1964 to $1000 in 1977.[12]

Without Soviet support a conventional attack by the North on the South was impossible and so Kim Il-Sung saw a possibility to achieve reunification through unconventional warfare. On 10 December 1962 Kim proposed a new military strategy to the Central Committee of the Workers' Party of Korea, with increased emphasis placed on irregular warfare, agitation and propaganda, to be achieved by the end of the current Seven-Year Plan in 1967.[11]

In June 1965 President Park signed a treaty normalizing relations with Japan which included payment of reparations and the making of soft-loans from Japan and led to increased trade and investment between South Korea and Japan. In July 1966 South Korea and the United States signed a Status of Forces Agreement establishing a more equal relationship between the two countries. With its growing economic strength and the security guarantee of the United States, the threat of a conventional invasion from the North seemed increasingly remote.[11] Following the escalation of the Vietnam War with the deployment of ground combat troops in March 1965, South Korea sent the Capital Division and the 2nd Marine Brigade to South Vietnam in September 1965, followed by the White Horse Division in September 1966.

The start of the hostilities can be traced to a speech given by North Korean leader Kim Il-sung on 5 October 1966, at the Workers' Party of Korea Conference where the status quo of the 1953 Armistice Agreement was challenged. Kim Il-Sung apparently perceived that the division of effort by the South Korean military and the ever-growing escalation of the US commitment in Vietnam created an environment where irregular warfare could succeed in a way conventional warfare could not.[11] Kim believed that he could force a split between the U.S. and South Korea through armed provocations targeting U.S. forces that, together with other worldwide commitments and small wars, would force the U.S. to reassess or relinquish its commitment to South Korea, allowing North Korea to incite an insurgency in the South that would topple the Park administration.[14]

There were ongoing propaganda campaigns between the north and south, such as loudspeaker broadcasts across the DMZ at each other.[15] Leafleting of North Korea had been resumed, such as Operation Jilli from 1964 to 1968 which delivered a few hundred million leaflets into the north.[16]

Military forces[edit]

North Korea[edit]

In 1966, the Korean People's Army (KPA) deployed eight infantry divisions along the DMZ, backed by eight more infantry divisions, three motorized infantry divisions, a tank division and a collection of separate infantry and tank brigades and regiments. While strong, this conventional force did not possess a significant advantage over the South, and it was unlikely that the North could deliver a knockout blow before the U.S. could deploy additional forces.[17]

The main unconventional warfare arm was the Reconnaissance Bureau of the Ministry of Defense under the operational control of the Liaison Department of the Worker's Party of Korea which included the 17th Foot Reconnaissance Brigade and the all-officer Unit 124 and 283rd Army Units. These units were all highly trained and indoctrinated, skilled in demolitions and small-unit tactics, they would usually operate in small teams of 2–12 men, lightly armed with either PPS submachine guns or AK-47s. The Reconnaissance Bureau also controlled the 23d Amphibious Brigade, which used specially made infiltration boats to operate along the South Korean coastline. The Reconnaissance Bureau could also use conventional KPA and Korean People's Navy forces to support the infiltration and exfiltration of its teams.[17]

In addition to the offensive irregular forces, North Korea also deployed several thousand operator-agitators to select, train, and supervise informants and guerrilla recruits, while others attempted to cause individual defections and unit dissatisfaction in the ROK military and generally undermine the morale of both the ROKs and the Americans.[17]

United States and Republic of Korea[edit]

The major U.S. ground combat units in Korea were the 2nd Infantry Division (2ID) and 7th Infantry Division (7ID), I Corps and 8th Army. 2ID stood with the 3rd Brigade manning 29.8 km of the Korean Demilitarized Zone (DMZ) essentially due north of Seoul on either side of Panmunjom, with another nine Republic of Korea Army (ROKA) Divisions manning the remaining 212.8 km of the DMZ. All U.S. and ROKA forces were under the unified operational control of United Nations Command (Korea) (who was also the commander United States Forces Korea), General Charles H. Bonesteel III.[18] Both U.S. Army Divisions were seriously under strength as Vietnam had priority for manpower and equipment. Troops were equipped with M14 rifles rather than M16s, the only available tanks were older gasoline powered M48A2Cs, and there were a total of only 12 UH-1 Huey helicopters in South Korea seriously restricting the ability to hunt and engage infiltrators. Troops were generally draftees serving a 13-month tour, while experienced officers and NCOs preferred service in Vietnam to Korea.[18] The ROK Divisions were well trained and highly motivated with many of the officers and NCOs veterans of the Korean War, but all their equipment dated back to that war; their standard rifle was still the M1 Garand.[18]

The main operational objective of the US and ROK Divisions was to defend against a conventional invasion from North Korea in a repeat of the attack of June 1950. While there were regular infiltrations into the South for intelligence-gathering, unconventional warfare was not seen as a particular threat and the troops were not generally trained or equipped for this role.[19] No counter-guerilla units or village militias existed in South Korea in 1966 and infiltrators were variously hunted by the ROK Army, Police and the Korean Central Intelligence Agency with no unified control.[18]

The ground forces were supported by fighter-bombers of the USAF 314th Air Division and by the Republic of Korea Air Force. The seas around Korea were under the control of the United States Seventh Fleet and the Republic of Korea Navy. As with the Army, the war in Vietnam was the main focus of the USAF and the USN in the Pacific.[18]

Defense strategies[edit]

From October 1964 the North Koreans increased the infiltration of intelligence-gatherers and propagandists into the South. By October 1966, more than 30 South Korean soldiers and at least 10 civilians had been killed in clashes with North Korean infiltrators; however, no similar clashes had taken place along the U.S.-controlled section of the DMZ. In October 1966, South Korea staged a retaliatory attack without seeking the approval of General Bonesteel, causing tension between the U.S. command, which wished to avoid violations of the armistice, and the South Koreans, who were suffering ongoing losses.[20]

Following the first KPA attack on US forces in November 1966, General Bonesteel formed a working group to analyse the North Korean strategy and develop a counter-strategy to defeat it. Finding the existing U.S. Army tactical doctrines to be inapplicable to the situation they were facing, the working group developed its own doctrine to meet its operational needs. Three types of operations were identified: first to guard against infiltration across the DMZ; second was a similar naval effort along the coasts; and third was counterguerrilla operations in the interior. All three types of operations had to be accomplished without jeopardizing the conventional defense of South Korea or escalating the conflict from low-intensity to a full war.[21]

Demilitarized Zone[edit]

Starting in 1967 the UN Command developed a layered defense of the DMZ. The Armistice restricted fortification within the DMZ, where defences were limited to patrols and observation posts without heavy weapons. More aggressive patrolling of the DMZ was ordered with patrols going out for twenty-four hours, reconnoitering by day and establishing ambushes at night; most U.S. casualties occurred during these patrols. The observation posts were fortified with sandbags and machine-guns and recoilless rifles were frequently kept hidden there in breach of the Armistice. General Bonesteel obtained $30m in funding from the U.S. Army Combat Developments Command to create a DMZ test Barrier along the portion of the DMZ occupied by the 2ID and the ROKA 21st Infantry Division. Beyond the southern boundary or "south tape" of the DMZ, no defensive restrictions applied and a combined U.S.-Korean engineer force constructed an in-depth Barrier comprising a 3m tall chain-link fence, topped by triple strands of concertina wire and reinforced by interwoven saplings and steel engineer pickets, behind it a narrow, raked-sand path paralleled the fence to highlight footprints. Behind the sand strip was a 120m wide cleared kill zone in which mines and tanglefoot wire fronted a line of conventional defensive positions of interlocking machine guns and pre-registered mortar and artillery fire which dominated the kill zone. Observation towers stood at intervals along the trace to permit clear view of the open areas. Various electronics and sensors were tested on the Barrier similar to the McNamara Line in Vietnam, but with the exception of Starlight scopes they were largely ineffective. The Barrier could not prevent infiltration (it was estimated that the North Koreans could cut through the fence in 30–40 seconds), rather it was intended to slow movement and provide easy observation. Behind the Barrier were the quick-reaction forces of mechanized infantry, tanks and armored cavalry that would hunt down infiltrators. The rules of engagement were also loosened to allow the frontline troops to use artillery and mortar fire against known KPA elements in or south of the DMZ and against KPA firing from north of the Military Demarcation Line, although in practice this was only used sparingly. A new 4 monthly rotation scheme was introduced in October 1967 to ensure that each Battalion received only its fair share of time manning and patrolling the Barrier. 7ID sent one infantry battalion at a time to augment the 3rd Brigade, 2ID, this increased the defense to four Battalions on the line plus the quick-reaction forces.[22]

South Korea launched at least three retaliatory cross-border raids in late 1967 using small teams of North Korean defectors. The raids killed 33 KPA soldiers.[23]

Korean coastline[edit]

Preventing infiltration at sea created an impossible challenge for the UN Command, which lacked suitable aircraft, ships, radar and communications. The ROK Navy possessed only 72 vessels to patrol over 7,000 kilometers of rugged coastline. Along the coasts, some 20,000 unarmed coastwatchers, sometimes supplemented by ROKA reservists, patrolled the beaches and when signs of landings were discovered these would be reported to the National Police and quick reaction forces would be deployed. Poor communications and a lack of helicopters meant that the quick reaction forces seldom arrived in time before the infiltrators dispersed in the Korean hinterland.[22]

Counterinsurgency operations[edit]

During 1966 and into 1967, there was no coordinated counterinsurgency plan in South Korea. Infiltrations were dealt with on an ad hoc basis by the ROKA, National Police, Army counter-intelligence units and the KCIA usually depending on the estimate of the threat and whichever units happened to be nearby. President Park was reluctant to raise and arm a civilian militia as he did not fully trust the loyalty of the populace to his government.

General Bonesteel regarded counterinsurgency as entirely an internal responsibility for the South Korean Government and while he provided some material support including his helicopters and several Special Forces A-Teams from the 1st Special Forces Group on Okinawa to train the ROKA and the newly formed Combat Police in counterinsurgency tactics, he declined to take responsibility for counterinsurgency operations.

By late 1967 it was clear that the North Koreans were attempting to develop a full-scale insurgency in the South with strongholds in the Taebaek Mountains and around Jirisan mountain. President Park, in consultation with General Bonesteel, developed a counterinsurgency strategy in the form of Presidential Instruction #18. The instruction established a national coordinating council with clear chains of command for all classes of incidents ranging from individual agent sightings to province-level unrest. Eight (later ten) new ROKA counter-infiltration battalions were to be formed, together with further expansion of the Combat Police.[24]

January 1968[edit]

The Blue House Raid[edit]

Main article: Blue House Raid
The Blue House complex in Seoul, South Korea, in April 2007. It serves as the executive office and official residence of the South Korean president.

On the night of 17 January 1968, 31 men of Unit 124 penetrated the 2ID sector of the DMZ by cutting through the chain-link fence and passing undetected within 30m of a manned 2ID position. The mission of Unit 124, as explained to them by KPA Reconnaissance Bureau chief, Lieutenant General Kim Chung-tae, was "to go to Seoul and cut off the head of Park Chung Hee". It was believed that by assassinating Park, the South would be thrown into turmoil, causing the South Korean populace to rise up and fight against the South Korean government and American soldiers, leading to reunification.[25]

On the afternoon of 19 January Unit 124 encountered 4 woodcutters, but rather than killing them the Unit 124 commander proceeded to try to indoctrinate them with details of the coming insurrection and the glories of North Korean communism. The North Koreans released the woodcutters with warnings not to notify the authorities. The woodcutters notified the Police as soon as possible, and an alert went up the chain of command in accordance with Presidential Instruction #18. By the morning of 20 January the police and military were on full alert, but not knowing the mission of Unit 124 they were attempting to guard important sites as well as the approaches to Seoul.[25]

Unit 124 entered Seoul in 2–3 man cells on 20 January, and noting the heightened security and by eavesdropping of ROKA radio frequencies they devised a new assault plan. Changing into uniforms of the 26th Infantry Division they proceeded to march the last 2 km to the Blue House, posing as a unit returning from a counter-guerilla patrol. After passing several ROKA and Police units, Unit 124 was stopped by a Police unit only 800m from the Blue House. The Police began questioning the Unit 124 members and when a Police officer grew suspicious and drew his pistol he was shot by a Unit 124 member.[25]

A running gun battle then developed in which 2 members of Unit 124 were killed. The ROKA, Police and U.S. Army began a massive manhunt as the remaining members of Unit 124 attempted to escape north and cross the DMZ. A further 26 members of Unit 124 were killed, one captured (Kim Shin-Jo) and two missing presumed killed (though at least one member of the Unit apparently survived and returned to North Korea[26]) while 26 South Koreans and 4 U.S. Army servicemen were killed.[25]

The Pueblo Incident[edit]

Main article: USS Pueblo (AGER-2)
The crew of the USS Pueblo being released from North Korean custody and walking across the Bridge of No Return on 23 December 1968.

On 23 January 1968 North Korean patrol boats operating under cover of MiG-21 fighters captured the USS Pueblo (AGER-2) in international waters northeast of Wonsan, killing one crewman. General Bonesteel was unaware of the mission of the Pueblo and the 314th Air Division had no suitable aircraft available to give assistance to the Pueblo. By the time that attack aircraft could be sent to the area, the Pueblo and her remaining 82 crewmen were in captivity in Wonsan harbour.[27]

American-South Korean reactions[edit]

The seizure of the Pueblo was one of a number of crises facing the Johnson Administration in January 1968: the Battle of Khe Sanh had commenced on 21 January; also on 21 January, a nuclear-armed B-52 Stratofortress crashed in Greenland spreading radioactive material over a wide area.[28] President Johnson ordered a show of force with a massive deployment of U.S. air and navy assets to Korea under the code-names Operation Combat Fox (200+ combat aircraft) and Operation Formation Star (6 aircraft carriers plus support vessels) as well as the partial mobilization of reservists for the first time since the Cuban Missile Crisis.[29]

Despite this military buildup, President Johnson wished to avoid escalating the existing conflict in Korea and instructed General Bonesteel to begin negotiations for the return of the Pueblo crew with the North Koreans through the Military Armistice Commission at Panmunjom. Even as the extra forces were deploying to South Korea, the Tet Offensive in South Vietnam began on 30 January 1968. President Johnson regarded the seizure of the Pueblo and the timing of the Tet Offensive to have been coordinated to divert U.S. resources away from Vietnam and to force the South Koreans to withdraw their two Divisions and Marine Brigade from South Vietnam.[28]

Unlike President Johnson, General Bonesteel saw no such connection. He regarded the Blue House Raid as having been planned at the highest levels in North Korea, while the seizure of the Pueblo seemed merely opportunistic and the timing of the Tet Offensive as helpful but coincidental. He saw no change to his mission of defending South Korea and preventing an escalation of the existing low-intensity conflict.[28]

The South Koreans saw things differently. They regarded the Blue House Raid and the seizure of the Pueblo as signs of a North Korean threat that had to be dealt with strongly by both the ROK and the U.S.. When news of negotiations between the U.S. and North Koreans at Panmunjom became public on 6 February, the Park Administration accused the U.S. of a policy of appeasement. Newspaper editorials and Government officials suggested that the Korean units in South Vietnam should be recalled to deal with the North Korean threat, while various advisers coaxed President Park to "Go North" with or without the Americans. President Park refused to negotiate seriously with either General Bonesteel or Ambassador William J. Porter. It appeared that the split that Kim Il-Sung hoped to create between the ROK and the U.S. was becoming a reality.[28]

On 10 February Cyrus Vance arrived in Seoul to negotiate with President Park on behalf of President Johnson. Vance met with Park on 11 February and set out the Johnson Administration's position: there would be no wider war in Korea, any ROK cross-border action was subject to approval by General Bonesteel who would himself need approval from President Johnson and the U.S. would negotiate as necessary to secure the release of the Pueblo crew. Vance offered Park $100M in immediate military aid (including F-4D Phantom II fighter jets) with more to follow, provided Park agreed not to "go North." Four days later Park agreed to Vance's terms.[29]

Implementing the U.S./ROK strategy[edit]

The Blue House Raid and the Pueblo Incident both served to raise the profile of the low-intensity conflict being fought in South Korea and finally brought in the resources need to fully implement the joint U.S./ROK counterinsurgency strategy.

The massive deployment of ships and aircraft in Operations Formation Star and Combat Fox served to deter further large-scale incursions. Once the immediate threat subsided the Seventh Fleet withdrew its ships by mid-1968, while the USAF gradually reduced its deployment over a period of 16 months.[29]

On 1 April 1968, the Department of Defense on the recommendation of General Bonesteel declared the DMZ-Imjin River area as a hostile fire zone, entitling service members stationed in the area to hostile-fire pay and later for the award of the Combat Infantryman Badge and Combat Medical Badge to all qualified men serving north of the Imjin River.[30] This change in designation also meant that Korea would now receive priority second only to South Vietnam. In addition to the $100M promised to the ROK by envoy Vance, Congress also allocated $230M to improve U.S. and ROK facilities and combat readiness across the DMZ. $32M worth of material for the construction of the DMZ barrier and communications equipment was airlifted to South Korea, allowing the completion of the improved anti-infiltration barrier along the entire DMZ by 30 July 1968. The 6th Aviation Platoon which was en route to South Vietnam was instead deployed to South Korea, with its 12 UH-1D Hueys more than doubled the number of UH-1s available, allowing some to remain on alert with quick reaction forces while others conducted counter-infiltration operations. Several thousand additional enlisted men were allocated to Eighth Army alleviating manpower shortages while the Imjin Scout programme improved training in counterinfiltration tactics. Dog-tracker teams were deployed allowing improved detection of infiltrators, while several hundred M16 rifles were procured allowing patrols to match the firepower of KPA infiltrators. These improvements taken together resulted in a dramatic increase in the detection and elimination of KPA infiltrators in 1968.[31]

The Blue House Raid convinced President Park to make one crucial change to Presidential Directive #18, in February 1968 he ordered the creation of the Homeland Defense Reserve Force (HDRF), publicly announced in April, within 6 months more than 2 million South Korean citizens had volunteered forming more than 60,000 local defense platoons and companies. Park also ordered the establishment of 20 Reconstruction Villages just south of the DMZ, populated by armed ex-soldiers and their families and the dispatch of ROKA civic action Medical/Enlightenment Teams into remote areas, particularly in the Taebaek and Jiri Mountain areas.[32]

Ulchin-Samcheok landings[edit]

While the DMZ became increasingly difficult to penetrate during 1968, South Korea's coastline, despite some improvements in ROK Navy capabilities, remained vulnerable to infiltration.[33]

PPS-43, compasses, grenade and fake ID from the Ulchin-Samcheok Landings at the War Memorial of Korea

On the night of 30 October 1968, 120 men of Unit 124 landed at 8 separate locations between Ulchin and Samcheok in Gangwon province and moved inland on a 30-day mission to create guerilla bases in the Taebaek Mountains. On the morning of 31 October they entered several villages and began indoctrinating the villagers, several of whom slipped away to alert the authorities. ROKA forces soon arrived in the area aboard the UH-1s of the 6th Aviation Platoon and aboard some of the new UH-1s provided to the ROKA under the Military Assistance Program. The 36th Homeland Defense Infantry Division, parts of two other Divisions, an ROK Marine Corps battalion, Combat Police companies, an ROK Special Forces Group and thousands of Home Defense Reserves took part in the manhunt that followed. Within 2 weeks most of the infiltrators had been killed, by the time President Park suspended the operation on 26 December. 110 North Koreans had been killed and 7 captured, for the loss of 40 regular army, police and militia and 23 civilians.[34]

North Korean strategy changes[edit]

By the end of 1968 it was apparent that despite two years of unconventional operations, North Korea had failed to ignite an insurgency in the South, the U.S.-ROK relationship was stronger than ever and President Park had cemented his legitimacy with the population. In late December Kim Il-Sung purged the senior military officers responsible for the unconventional warfare campaign accusing them of failing to correctly implement the Party line, there could be no suggestion that the KWP line simply did not appeal to South Koreans. Defense Minister, General Kim Chongbong and KPA Political Bureau chairman, General Ho Pong-haek were both executed, while the chief of the General Staff, the Reconnaissance Bureau chief, the KPN commander and the commanders of three frontline KPA Corps were all imprisoned. Units 124 and 283 were disbanded and special warfare capabilities were made explicitly subordinate to conventional military operations. The KPA was transformed by the institution of a Commissar system in all units down to Company level to ensure KWP control over all military activity. Despite the change in strategy North Korea continued to conduct infiltrations, apparently as cover while the purge and restructuring was carried out.[35]

The UN Command did not initially appreciate the changes in Pyongyang, regarding the reduction in infiltrations as being caused by effective UN action rather than the abandonment by Pyongyang of its failed strategy; limited intelligence sources and few published speeches by Kim Il-Sung gave few clues as to the KWP's policy change.[35] In mid-March the combined forces Exercise Focus Retina began in South Korea, this exercise was condemned by the North as a dress-rehearsal for an invasion and KPA regulars began a series of attacks and infiltrations against 2ID position on the DMZ that lasted until mid-May.[36]

On 15 April 1969 (Kim Il-Sung's birthday), two KPAF MiGs shot down a USAF EC-121M Warning Star on an electronic intelligence mission 167 km off the east coast of North Korea, killing all 31 crewmen. President Richard Nixon and National Security Advisor Henry Kissinger considered a reprisal air strike or an aerial escort linked to a diplomatic complaint at the truce table, both initially favored an air strike on the basis that force should be met with force. Nixon's advisers opposed an airstrike fearing that this could provoke a full-scale war when the U.S. was already committed in Vietnam and they were supported in this by General Bonesteel and Ambassador Porter. On 18 April Nixon announced that future intelligence flights would have fighter escorts (which had been the case until the end of 1968 when the tensions on the Korean peninsula were believed to have subsided) and a protest was lodged with the North Koreans at Panmunjom which was accepted without comment. From 19–26 April the Seventh Fleet's Task Force 71 (including 4 carriers and their escorts) conducted operations off the east coast of North Korea as a show of force.[36]

Conflict diffusion[edit]

By May 1969, the level of intensity of the conflict had reduced substantially. Isolated incidents continued to occur particularly along the ROKA-controlled sectors of the DMZ, but it had become clear that the North had abandoned its hopes of starting an insurgency in the South. Qualitative improvements in the ROK Army meant that the U.S. could start to contemplate reducing its military presence in South Korea. On 25 July 1969, President Nixon announced his Nixon Doctrine that, henceforth, the U.S. expected its allies to defend themselves with U.S. air and seapower support (and the nuclear umbrella), but not U.S. ground troops. While aimed primarily at South Vietnam, this policy would also apply to South Korea (however, Nixon assured President Park that his commitment to South Korea was unchanged). On 1 October 1969 General Bonesteel handed over command of USFK to General John H. Michaelis. One of General Michaelis' early tasks was negotiating the release of 3 U.S. soldiers captured when their OH-23 helicopter was shot down after straying across the DMZ; their release on 3 December 1969 is regarded as the official end of the conflict.[37]

Timeline[edit]

1966[edit]

  • 2 November: 2nd Infantry Division (2ID) patrol (1st Battalion, 23rd Infantry Regiment) ambushed south of DMZ. Six U.S. KIA, one KATUSA KIA, one U.S. WIA; unknown KPA losses. Private Ernest Reynolds is posthumously awarded the Silver Star for his actions during the ambush.[38] An ROKA patrol was ambushed the same night. Two ROK KIA.[39]

1967[edit]

  • 12 February: 2ID patrol (3–23 Infantry) ambushed south of DMZ. One U.S. KIA; unknown KPA losses.
  • 5 April: 2ID guard post engaged KPA infiltrators south of DMZ. No U.S. losses; five KPA KIA.
  • 29 April: 2ID patrol ambushed KPA infiltrators south of DMZ. No U.S. losses; one KPA KIA, one KPA WIA, one KPA captured.
  • 16 July: 2ID barrier position #32 overrun. Three U.S. KIA (2-23 Infantry), one KATUSA WIA.
  • 22 May: 2ID barracks (1–23 Infantry) demolished by daylight explosion south of DMZ. Two U.S. KIA, 17 U.S. WIA.
  • 10 August: 7ID construction team (B Company 2/31st Inf. 7th ID) ambushed well south of DMZ in daylight. Three U.S. KIA, sixteen U.S. WIA, one WIA later died of his wounds at 121st EVAC; unknown KPA losses.
  • 22 August: 2ID jeep destroyed by mine and ambush south of DMZ. One U.S. KIA, one U.S. WIA; unknown KPA losses.
  • 28 August: Eighth Army construction team (76th Engineers) ambushed in daylight near the Joint Security Area but still south of the DMZ. Two U.S. KIA, two KATUSA KIA, fourteen U.S. WIA, nine KATUSA WIA, three civilians WIA; unknown KPA losses.
  • 29 August: 2ID jeep destroyed by mine south of DMZ. Three U.S. KIA, five U.S. WIA; no KPA losses.
  • 7 October: 2ID patrol boat ambushed on Imjin River south of DMZ. One U.S. KIA; unknown KPA losses.

1968[edit]

  • 20–21 January: 31 North Korean commandos crossed the border disguised as South Korean soldiers in an attempt to assassinate President Park Chung Hee at The Blue House. The failed Blue House Raid mission by Unit 124 resulted in 28 commandos killed, two presumed dead, and the last captured. 68 South Koreans were killed and 66 wounded, including about 24 civilians. Three Americans were killed and another three wounded in an attempt to prevent the commandos from escaping back via the DMZ.[40]
  • 22 January: U.S. 2nd Infantry Division guard post engaged by KPA infiltrators. Three U.S. WIA; unknown KPA losses.
  • 23 January: Seizure of the USS Pueblo (AGER-2) off the east coast of North Korea. One U.S. KIA.
  • 24 January: 2ID position (1–23 Infantry) attacked south of DMZ by KPA Unit 124 exfiltrators. Two U.S. KIA; three KPA WIA.
  • 26 January: 2ID defensive position (2–72 Armor) attacked south of DMZ by KPA Unit 124 exfiltrators
  • 29 January: 2ID patrols and outposts engaged and repulsed four teams of KPA infiltrators. No U.S. losses; unknown KPA losses.
  • 6 February: 2ID guard post attacked. No U.S. losses; one KPA WIA.
  • 27 March: 2ID reaction forces and ROK 25th Infantry Division ambushed KPA infiltrators. No U.S. losses; three KPA KIA.
  • 14 April: U.S. Army Support Group truck ambushed south of the Joint Security Area in daylight. Two U.S. KIA, two KATUSA KIA, two U.S. WIA; unknown KPA losses.
  • 21 April: 7ID patrol (2nd Battalion, 31st Infantry Regiment)) engaged KPA infiltrator company in the DMZ. One U.S. KIA, three U.S. WIA; five KPA KIA, fifteen KPA WIA.
  • 27 April: 7ID patrol (2–31 Infantry) ambushed in the DMZ. One KATUSA KIA, two U.S. WIA; unknown KPA losses.
  • 3 July: 2ID patrol ambushed in the DMZ. One U.S. WIA; unknown KPA losses.
  • 20 July: 2ID patrol ambushed in the DMZ. One U.S. KIA; unknown KPA losses. 7ID patrol (1st Battalion, 32nd Infantry Regiment) ambushed in the DMZ. One U.S. KIA; unknown KPA losses.
  • 21 July: 2ID patrol (2nd Battalion, 38th Infantry Regiment) ambushed in the DMZ. One U.S. WIA, one KATUSA WIA.
  • 30 July: 2ID patrol (3–23 Infantry) ambushed in the DMZ. One U.S. KIA, three U.S. WIA; unknown KPA losses.
  • 5 August: 2ID patrol (1–38 Infantry) ambushed south of the DMZ in daylight. One U.S. KIA, four U.S. WIA; one KPA KIA.
  • 18 August: 7ID patrol (1–32 Infantry) ambushed south of the DMZ. Two U.S. KIA; two KPA WIA.
  • 19 September: 2ID patrols (2–38 Infantry) and quick reaction forces (4th Squadron, 7th Cavalry Regiment, 2nd Battalion, 9th Infantry Regiment (Mechanized), and the 2nd Division Counter Agent Company) isolated and destroyed KPA infiltrator squad. Two KATUSA KIA, six KATUSA WIA; four KPA KIA, one KPA WIA.
  • 27 September: 2ID jeep ambushed in the DMZ. Two U.S. KIA; unknown KPA losses.
  • 3 October: 7ID guard post (1–31 Infantry) engaged KPA exfiltrator south of DMZ. No U.S. losses; one KPA KIA.
  • 5 October: 2ID patrol ambushed in the DMZ. One U.S. KIA, two U.S. WIA; unknown KPA losses.
  • 10 October: 2ID boat patrol engaged KPA infiltrator crossing the Imjin River. No U.S. losses; one KPA KIA.
  • 11 October: 2ID patrol ambushed KPA infiltrators in the DMZ. No U.S. losses; two KPA KIA.
  • 23 October: 2ID patrol engaged KPA infiltrators in the DMZ. One U.S. KIA, five U.S. WIA; one KPA KIA.
  • 30 October: Ulchin-Samcheok (Gangwon-do) landings by 120 men of KPA Unit 124; 110 of them were killed, 7 were captured and 3 escaped. 40 ROKA and Police were KIA and 23 civilians were killed[41]

1969[edit]

  • 23 January: 2ID guard posts repulsed KPA infiltrators. No U.S. losses; unknown KPA losses.
  • 4 February: 2ID guard posts repulsed KPA infiltrators. No U.S. losses; unknown KPA losses.
  • 13 March: 2ID fence repair patrol (2–38 Infantry) engaged by KPA infiltrators. No U.S. losses; unknown KPA losses.
  • 15 March: 2ID marker maintenance patrol ambushed in the DMZ. One U.S. KIA, two U.S. WIA, one KATUSA WIA. Medical evacuation helicopter crashed after takeoff, killing five airmen and the three wounded.
  • 16 March: 2ID patrol engaged KPA infiltrators in the DMZ. No U.S. losses; unknown KPA losses.
  • 20 March: 2ID patrol engaged KPA patrol in the DMZ. No U.S. losses; unknown KPA losses.
  • 29 March: 2ID patrol engaged KPA patrol in the DMZ. No U.S. losses; unknown KPA losses.
  • 7 April: Six North Korean infiltrators crossed the border near Chumunjin, Gangwon-do and killed a South Korean policeman on guard duty[36]
  • 15 April: KPAF fighters shoot down a US Navy EC-121 Warning Star aircraft over the Sea of Japan (East Sea)
  • 15 May: 2ID patrol engaged KPA infiltrator. One U.S. WIA, one KATUSA WIA; unknown KPA losses.
  • 20 May: 2ID guard post engaged KPA infiltrators. No U.S. losses; one KPA KIA.
  • 21 July: 2ID guard posts engaged and repulsed KPA infiltrators. No U.S. losses; unknown KPA losses.
  • 17 August: Eighth Army OH-23 helicopter (59th Aviation Company) strayed north of the DMZ and was shot down. Three U.S. captured and finally released on 3 December 1969.
  • 18 October: 7ID jeep ambushed in the DMZ. Four U.S. KIA; unknown KPA losses[42]

See also[edit]

References[edit]

  1. ^ Bolger, Daniel (1991). Scenes from an Unfinished War: Low intensity conflict in Korea 1966–1969. Diane Publishing Co. p. Table 3. ISBN 978-0-7881-1208-9. 
  2. ^ Bolger, Table 3
  3. ^ Mitchell Lerner (December 2010). "Mostly Propaganda in Nature:" Kim Il Sung, the Juche Ideology, and the Second Korean War. The North Korea International Documentation Project. Retrieved 3 May 2012. 
  4. ^ http://www.koreandmz.org/incursions
  5. ^ a b c Mark Selden, Alvin Y. So (2004). War and state terrorism: the United States, Japan, and the Asia-Pacific in the long twentieth century. Rowman & Littlefield. pp. 77–80. ISBN 978-0-7425-2391-3. 
  6. ^ a b Lee Jae-Bong (15 December 2008 (Korean) 17 February 2009 (English)). U.S. Deployment of Nuclear Weapons in 1950s South Korea & North Korea's Nuclear Development: Toward Denuclearization of the Korean Peninsula (English version). The Asia-Pacific Journal. Retrieved 4 April 2012. 
  7. ^ "KOREA: The End of 13D". TIME Magazine. 1 July 1957. Retrieved 4 April 2012. 
  8. ^ "Statement of U.S. Policy toward Korea". National Security Council (United States Department of State – Office of the Historian). 9 August 1957. NSC 5702/2. http://history.state.gov/historicaldocuments/frus1955-57v23p2/d240. Retrieved 17 April 2012.
  9. ^ "News in Brief: Atomic Weapons to Korea". Universal International Newsreel. 6 February 1958. Retrieved 4 April 2012. 
  10. ^ "'Detailed Report' Says US 'Ruptured' Denuclearization Process". Korean Central News Agency. 12 May 2003. Retrieved 4 April 2012. 
  11. ^ a b c d e Bolger, Chapter 1 Background
  12. ^ a b Seung-Hun Chun (19 April 2010). "Strategy for Industrial Development andGrowth of Major Industries in Korea". Korea Institute for Development Strategy. Retrieved 31 July 2012. 
  13. ^ Ann Sasa List-Jensen (2008). Economic Development and Authoritarianism - A Case Study on the Korean Developmental State (Report). Aalborg University. ISSN 1902-8679. http://vbn.aau.dk/files/13994106/DIIPER_wp_5.pdf. Retrieved 31 July 2012.
  14. ^ Bolger, Chapter 2 A Call to Arms
  15. ^ "Koreas switch off loudspeakers". BBC. 15 June 2004. Retrieved 7 May 2013. 
  16. ^ Friedman, Herbert A. "The Cold War in Korea - Operation Jilli". Retrieved 8 May 2013. 
  17. ^ a b c Bolger, Chapter 1 Enemy
  18. ^ a b c d e Bolger, Chapter 1 Troops Available
  19. ^ Bolger, Chapter 1 Mission
  20. ^ Bolger, Chapter 2
  21. ^ Bolger, Chapter 2 The Doctrinal Void
  22. ^ a b Bolger, Chapter 2 Anti-Infiltration: The Sea Approaches
  23. ^ Lee Tae-hoon (7 February 2011). "S. Korea raided North with captured agents in 1967". The Korea Times. 
  24. ^ Bolger, Chapter 2 Counterinsurgency: The Interior
  25. ^ a b c d Bolger, Chapter 3 The Blue House Raid
  26. ^ "A would-be assassin builds a new life". JoongAng Daily. 4 November 2009. 
  27. ^ Bolger, Chapter 3 The Damned Pueblo
  28. ^ a b c d Bolger, Chapter 3 The Moment of Crisis
  29. ^ a b c Bolger, Chapter 3 The Conventional Response: A Show of Force
  30. ^ Bolger, Chapter 2 The Conventional Response: Resources
  31. ^ Bolger, Chapter 3 The Unconventional Response: The DMZ
  32. ^ Bolger, Chapter 3 The Unconventional Response: The Interior
  33. ^ Bolger, Chapter 3 The Unconventional Response: The Sea Approaches
  34. ^ Bolger, Chapter 3 The Ulchin-Samcheok Landings
  35. ^ a b Bolger, Chapter 4 A Purge in Pyongyang
  36. ^ a b c Bolger, Chapter 4 The North Strikes Back
  37. ^ Bolger, Chapter 4 The Torch Passes
  38. ^ "Valor awards for Ernest D. Reynolds". Military Times. 
  39. ^ Bolger, Chapter 2 First Blood
  40. ^ Bolger, Chapter 3
  41. ^ Bolger, Chapter 3 The Ulchin-Samchok Landings
  42. ^ Bolger, Appendix 4

External links[edit]