In 1956 the gun was standardized as the M61 20mm cannon and entered service with both the United States Army and Air Force ... 7.62mm percussion primed rifle cartridge. Capable of firing 6,000 ...
Airmen and guardian recruits are now carrying practice M4 rifles during boot camp at Joint Base San Antonio-Lackland, Texas, ...
They called for the execution of a full-scale rebuilding of the United States Air Force to ... 2,400 combat aircraft in ...