Designed in the 1960s for Soviet frogmen, the SPP-1 underwater pistol could fire four steel darts underwater. It’s strange, deadly, and still in use.

The Cold War came with a plethora of challenges for offensive and defensive weapons. HARP was able to launch projectiles high into the atmosphere; over 110 miles (580,800 feet).

US battleships fired their guns for the last time 30 years ago. ... The Cold War. USS Missouri fires a Tomahawk cruise missile at an Iraqi target in January 1991.