A website is a source of some old TV programs and some old movies that you can watch for FREE.
The October 1962 Cuban missile crisis VERY NEARLY escalated into nuclear war between the U.S. and the USSR.
A Soviet submariner courageously defied his order to launch a nuclear-tipped torpedo at a U.S. warship. That would have quickly escalated into global destruction.
A powerful movie about this runs about 53 minutes. CLICK THIS LINK: