CIA: Central Intelligence Agency
DMZ: Demilitarized Zone
DPRK: Democratic People's Republic of Korea (North Korea)
FRG: Federal Republic of Germany (West Germany)
GDR: German Democratic Republic (East Germany)
ICBM: Intercontinental Ballistic Missile
KGB: Committee for State Security (Soviet secret police and espionage agency)
MAD: Mutual Assured Destruction
NSC: National Security Council
NATO: North Atlantic Treaty Organization
ROK: Republic of Korea (South Korea)
UN: United Nations
USSR: Union of Soviet Socialist Republics (Soviet Union)