The Joint Advisory Commission, Korea (JACK; ) was a U.S. covert operations unit that participated in the

Korean War The Korean War (25 June 1950 – 27 July 1953) was an armed conflict on the Korean Peninsula fought between North Korea (Democratic People's Republic of Korea; DPRK) and South Korea (Republic of Korea; ROK) and their allies. North Korea was s ...

. Operating under the direction of the

Central Intelligence Agency The Central Intelligence Agency (CIA; ) is a civilian foreign intelligence service of the federal government of the United States tasked with advancing national security through collecting and analyzing intelligence from around the world and ...

, JACK was responsible for inserting and extracting U.S.-trained Korean agents into

North Korea North Korea, officially the Democratic People's Republic of Korea (DPRK), is a country in East Asia. It constitutes the northern half of the Korea, Korean Peninsula and borders China and Russia to the north at the Yalu River, Yalu (Amnok) an ...

, conducting covert maritime raids along the North Korean coast, and providing escape and evasion support for downed

Air Force An air force in the broadest sense is the national military branch that primarily conducts aerial warfare. More specifically, it is the branch of a nation's armed services that is responsible for aerial warfare as distinct from an army aviati ...

pilots. Yong-do Group () based in Yeongdo District,

Busan Busan (), officially Busan Metropolitan City, is South Korea's second list of cities in South Korea by population, most populous city after Seoul, with a population of over 3.3 million as of 2024. Formerly romanized as Pusan, it is the economi ...

was the main guerrilla unit.

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JACK Operations & Activities
Central Intelligence Agency operations Military units and formations of the Korean War Military units and formations of South Korea in the Korean War Military units and formations of the United States in the Korean War United Nations Partisan Infantry Korea {{Korea-War-stub

See also

References

External links