As a lightweight anti-aircraft (AA) gun in some ships; up to 6 M2 guns might be mounted on a similar turret. The GAU-eighteen/A is a light-weight variant of your M2/M3 and is utilized around the USAF's MH-fifty three Pave Small and HH-60 Pave Hawk helicopters. These weapons use the M2HB https://socialaffluent.com/story2255392/indicators-on-browning-guns-you-should-know