Complicated and tension-filled negotiations between the United
States and the Soviet Union finally result in a plan to end the two-
week-old Cuban Missile Crisis. A frightening period in which
nuclear holocaust seemed imminent began to come to an end.

Since President John F. Kennedy’s October 22 address warning
the Soviets to cease their reckless program to put nuclear weapons
in Cuba and announcing a naval “quarantine” against additional weapons shipments into Cuba, the world held its breath waiting to
see whether the two superpowers would come to blows. With no apparent end to the crisis in sight, U.S. forces were placed at
DEFCON 2—meaning war involving the Strategic Air Command
was imminent. On October 24, millions waited to see whether
Soviet ships bound for Cuba carrying additional missiles would
try to break the U.S. naval blockade around the island. At the last
minute, the vessels turned around and returned to the Soviet Union.