NATO

The North Atlantic Treaty Organization, also known as the North Atlantic Alliance and often abbreviated to NATO, was a pre-war intergovernmental military alliance based on the North Atlantic Treaty.

Background
Due to the divergence, the date of formation for NATO is left unclear. However, it most likely formed in 1949 as with the real world. The nations of NATO were key players in the Cold War.

NATO issued a standard 7.62mm round, which was used in the M-14 rifle.

Appearances
NATO is mentioned in Fallout Tactics.