Looks at the nuclear arms race in the 1950s as the United States and the USSR both stockpiled nuclear weapons. Includes 1951 propaganda video showing schoolchildren how to 'Duck and Cover' in the event of a nuclear attack. [9:15]

Contains information about the USS Nautilus, the first nuclear submarine.

The Strategic Arms Limitation Talks (SALT) between the United States and the USSR resulted in the SALT Treaty in 1972.