As a lightweight anti-aircraft (AA) gun in a few ships; up to 6 M2 guns may very well be mounted on the exact same turret. The GAU-eighteen/A is a lightweight variant of your M2/M3 and is also employed around the USAF's MH-fifty three Pave Reduced and HH-sixty Pave Hawk helicopters. https://atozbookmarkc.com/story17043151/the-fact-about-browning-firearms-that-no-one-is-suggesting