Key Resolve, previously known as Reception, Staging, Onward Movement, Integration ( RSOI) which was previously known as

Team Spirit Team Spirit was a joint military training exercise of United States Forces Korea and the Military of South Korea held between 1974 and 1993. The exercise was also scheduled from 1994 to 1996 but cancelled during this time period as part of diplom ...

even earlier, is an annual command post exercise (CPX) held by

United States Forces Korea United States Forces Korea (USFK) is a sub-unified command of U.S. Indo-Pacific Command (USINDOPACOM). USFK is the joint headquarters for U.S. combat-ready fighting forces and components under the ROK/US Combined Forces Command (CFC) – a ...

with the Republic of Korea Armed Forces. It is conducted between February and April and focuses on

United States Pacific Command United States Indo-Pacific Command (USINDOPACOM) is a unified combatant command of the United States Armed Forces responsible for the Indo-Pacific region. Formerly known as United States Pacific Command (USPACOM) since its inception in 1947, ...

OPLAN A military operation plan (also called a war plan before World War II) is a formal plan for military, military armed forces, their military organizations and units to conduct operations, as drawn up by commanders within the combat operations proce ...

s that support the defense of

South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia, constituting the southern part of the Korean Peninsula and sharing a land border with North Korea. Its western border is formed by the Yellow Sea, while its eas ...

. Additionally, US units are moved to Korea from other areas and they conduct maneuvers and gunnery exercises. ROK units also conduct maneuvers with some acting as the

Opposing force An opposing force (alternatively enemy force, abbreviated OPFOR) is a military unit tasked with representing an enemy, usually for training purposes in war game scenarios. The related concept of aggressor squadron is used by some air forces. T ...

(OPFOR). Since 2001, Key Resolve combined with the annual combined field training exercise (FTX)

Foal Eagle Foal Eagle ( ko, 독수리 연습) is a combined field training exercise (FTX) conducted annually by the Republic of Korea Armed Forces and the United States Armed Forces under the auspices of the Combined Forces Command. It is one of the largest ...

. Doctrinally, RSOI is detailed i
FM 100-17-3
the field manual for RSOI. This exercise, like the Ulchi-Freedom Guardian (UFG) exercise, regularly leads to accusations by North Korea that it is a prelude to an invasion by the United States and South Korea. Japan supports the joint drills of South Korea and the US, considering it to be a deterrent power in the Asian-Pacific region. After the North Korea–United States Hanoi Summit in February 2019, the

United States Department of Defense The United States Department of Defense (DoD, USDOD or DOD) is an executive branch department of the federal government charged with coordinating and supervising all agencies and functions of the government directly related to national sec ...

announced that the United States and South Korea "decided to conclude the Key Resolve and

series of exercises". They were replaced by the Dong Maeng joint military exercise in 2019.

References

Asian-Pacific Area Network

North strongly protests new Key Resolve joint exercises
March 9, 2010, JoongAng Daily ;Notes {{Reflist

External links

- GlobalSecurity.org * Official photos
2006200720082009
Military of South Korea United States military in South Korea South Korea–United States relations Military exercises involving the United States