JAG: Judge Advocate General
JOOD: Junior officer of the deck
JSA: Joint Security Area
JTIDS: Joint tactical information distribution system
K1A1: South Korean main battle tank based on the US M1A1 Abrams.
K2 Black Panther: Advanced South Korean main battle tank.
K21: South Korean infantry fighting vehicle.
Kh-35/SS-N-25 Switchblade: A small Russian anti-ship missile, similar to the US Harpoon.
Klicks: Slang for kilometer.
KN-01: North Korean version of the Soviet export P-20 (SS-N-2A Styx) anti-ship missile.
KN-08: aka Hwaseong-13, North Korean intercontinental ballistic missile.
KPA: Korean People’s Army
KS-30: Soviet heavy 130mm antiaircraft gun.
KWP: Korean Workers’ Party
LCS: Littoral combatant ship
M4A1: A shorter and lighter variant of the US M16A2 assault rifle.
M-46: Soviet 130mm field gun.
Mi-8: 1960s era Soviet transport utility helicopter.
MAC: Military Armistice Commission
MiG-19 Farmer: 1950s era Soviet jet fighter.
MiG-21 Fishbed: 1960s era Soviet jet fighter.
MiG-29 Fulcrum: 1980s era Soviet jet fighter.
MP: Military police
MOPP: Mission oriented protective posture, levels of protective gear used to safeguard personnel in a toxic environment.
MQ-9 Reaper: US armed, unmanned aerial vehicle.
Musudan: aka BM-25, a North Korean intermediate range ballistic missile.
NBC: Nuclear, biological, chemical
NCO: Non-commissioned officer
NK: North Koreans
NIS: Republic of Korea, National Intelligence Service
OOB: Order of battle
OOD: Officer of the deck
OP: Observation post
OPLAN: Operations plan
OPREP-3: US Navy message format used to inform a senior authority of an incident that is of national-level interest.
Osa I: Soviet Project 205 guided missile patrol craft.
P-8: US Navy maritime patrol aircraft.
PAC-2: Patriot Advanced Capability — 2, US Army surface-to-air missile.
PAC-3: Patriot Advanced Capability — 3, US Army surface-to-air missile.
PACOM: US Pacific Command
PLA: People’s Liberation Army
PLAAF: People’s Liberation Army Air Force
PLAN: People’s Liberation Army Navy
Pokpung-ho: North Korean main battle tank based on the Russian T-72 and Chinese Type 88.
PRC: People’s Republic of China
RAM: Rolling airframe missile, US Navy short-range point defense missile.
Rodong-1: aka Nodong, a North Korean medium-range ballistic missile.
ROK: Republic of Korea
RPG: Slang for rocket-propelled grenade. In Russian, it stands for “handheld antitank grenade launcher.”
S-400: Russian long-range air defense missile system.
SAG: Surface action group
SAM: Surface-to-air missile
Sarin: A nonpersistent nerve agent.
SATCOM: Satellite communications
Scud: Family of short-range ballistic missiles of Soviet origin.
Sea Sparrow: US Navy short-range point defense missile.
Second Artillery Corps: A separate service within the People’s Liberation Army responsible for ballistic missile forces, both nuclear and conventional.
SOF: Special Operations Forces
SM-2: Standard Missile 2, US Navy long-range air defense missile.
SS-N-6: Soviet R-27 submarine launched ballistic missile.
Surion: South Korean transport utility helicopter.
T-54/55: Soviet main battle tanks introduced at the end of World War II.
T-62: Soviet 1960s era main battle tank.
Taepodong: A North Korean intercontinental ballistic missile.
TAO: Tactical action officer
TEL: Transporter erector launcher
TOW: Tube-launched, optically tracked, wire-guided anti-tank missile.
Type 033: Chinese copy of the Soviet Project 633 (Romeo) diesel-electric submarine.
Type 054/054A: Chinese guided missile frigate
Type 69: Chinese main battle tank based on the Soviet T-54 and T-62.
Type 88: Chinese main battle tank.
UAV: Unmanned aerial vehicle
UAZ-469: Warsaw Pact bloc produced light utility truck.
UH-1N Huey: US utility helicopter
UN: United Nations
USFK: US Forces Korea
UTM: Universal Transverse Mercator coordinate system.
VIP: Very important person
VX: A persistent nerve agent.
WMD: Weapons of mass destruction
XO: Executive officer, second in command of a warship.
Y-8: Chinese medium range transport aircraft used from numerous missions.
ZiL: Zavod imeni Likhachova, or the Likhachov Plant, a major Russian automotive manufacturer based in the city Moscow.