The term SALT TOPIC refers to the Strategic Arms Limitation Talks, which were a series of negotiations between the United States and the Soviet Union during the Cold War. The acronym ICBM stands for Intercontinental Ballistic Missile, which is a long-range missile capable of traveling thousands of miles. ABM stands for Anti-Ballistic Missile, which is a type of missile defense system designed to intercept and destroy incoming ballistic MISSILES. ICBMS stands for Intercontinental Ballistic Missile Systems, which are systems that include both ICBMs and ABMs. Finally, MISSILES is an acronym for Multiple Independently Targetable Reentry Vehicles, which are multiple warheads that can be launched from a single missile.