On May 6, 1962, a Polaris A-2 missile with a live W47 warhead was tested in Operation Dominic in the central Pacific Ocean, the only American test of a live strategic nuclear missile. Read more
The USS George Washington, the first US missile submarine, successfully launched the first Polaris missile from a submerged submarine on July 20, 1960.
The Polaris missile was a two-stage solid-fuel nuclear-armed submarine-launched ballistic missile (SLBM) built during the Cold War by Lockheed Corporation of California for the United States Navy. The Polaris program started development in 1956. The USS George Washington, the first US missile submarine, successfully launched the first Polaris missile from a submerged submarine on July 20, 1960. Read more