The M134 GAU-17 “Vulcan” cannon is a six-barreled, air cooled, medium machine gun used primarily as a ... With the introduction of helicopters to the modern battlefield, the M61 system was ...

Single 7.62mm M240B/H machine gun, 7.62mm shoulder-fired precision weapon, .50-caliber shoulder-fired precision weapon Crew: 2 pilots, 1 flight mechanic, 1 rescue swimmer The H-65 helicopter built ...

The description of a ship under tow (using the ... These multirole helicopters are typically armed with a single door-mounted 50-caliber heavy machine gun during these kinds of missions.