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 A military exercise, training exercise, maneuver (manoeuvre), or war game is the employment of military resources in training for military operations. Military exercises are conducted to explore the effects of warfare or test tactics and stra ...

(CPX) held by

United States Forces Korea The United States Forces Korea (USFK) is a Unified Combatant Command#Subordinate Unified Command, sub-unified command of United States Indo-Pacific Command, U.S. Indo-Pacific Command (USINDOPACOM). USFK was initially established in 1957, and e ...

with the

Republic of Korea Armed Forces The Republic of Korea Armed Forces (), also known as the ROK Armed Forces, are the armed forces of South Korea. The ROK Armed Forces is one of the largest and most powerful standing armed forces in the world with a reported personnel strength o ...

. It is conducted between February and April and focuses on

United States Pacific Command The United States Indo-Pacific Command (USINDOPACOM) is the unified combatant command of the United States Armed Forces responsible for the Indo-Pacific, Indo-Pacific region. It is the oldest and largest of the unified combatant commands. Lead ...

OPLANs that support the defense of

South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia. It constitutes the southern half of the Korea, Korean Peninsula and borders North Korea along the Korean Demilitarized Zone, with the Yellow Sea to the west and t ...

. 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 or 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 ai ...

(OPFOR). Since 2001, Key Resolve combined with the annual combined

field training exercise A field training exercise, generally shortened to the acronym "FTX" or simply referred to as going to "the field", is a coordinated training exercise conducted by military units for training purposes. These are often military simulations conduc ...

(FTX)

Foal Eagle Foal Eagle () 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 military exercises ...

. Doctrinally, RSOI is detailed i
FM 100-17-3
the field manual for RSOI. This exercise, like the

Ulchi-Freedom Guardian Ulchi-Freedom Guardian (을지 프리덤 가디언, Eulji peurideom gadieon) is the name () of the military exercise previously known as Ulchi-Focus Lens, a combined military exercise between South Korea and the United States. The exercise is the w ...

(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 Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

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 United States federal executive departments, executive department of the federal government of the United States, U.S. federal government charged with coordinating and superv ...

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 Dong Maeng (hangul 동맹, hanja 同盟, meaning "Alliance") is a joint military exercise between the United States Forces Korea and the Republic of Korea Armed Forces. The exercise, first introduced in 2019, is intended to be a smaller scale vers ...

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