Staff Sgt. Justin O’Brien, 7th Special Operations Squadron special mission aviator, performs preflight checks on a CV-22 Osprey’s ramp-mounted weapon system, a .50-caliber GAU-21 heavy machine gun Mar. 7, 2017, on RAF Mildenhall, England. The versatility of the CV-22 Osprey sets a well-known standard for Special Operations Forces.

2019年8月22日 · The GAU-21 .50 caliber RMWS is more reliable than the previously fielded GAU-18 RMWS. During the 2012 radio antenna relocation testing, the CV-22 communicated with ground troops at distances from 0.5 to 25 nautical miles (nm) and with another aircraft at distances from 0.5 to 120 nm.

The GAU-21 is a modification of the FN Herstal 12.7-mm/.50-caliber M3M machine gun intended as the primary suppressive system for U.S. Navy and Marine Corps helicopters as well as the V-22 Osprey tiltrotor aircraft.

2019年8月22日 · It is a tiltrotor aircraft capable of conventional wing-borne flight and vertical take-off and landing. The Marine Corps is replacing the now-retired CH-46 and CH-53D helicopters with the MV-22. The MV-22 can carry 24 combat-equipped Marines and operate from ship or …

2019年2月21日 · U.S. Marine Corps Cpl. Harrison Haymaker, a crew chief assigned to Marine Aviation Weapons and Tactics Squadron One (MAWTS-1), fires a GAU-21 .50-caliber machine gun out the back of an MV-22B Osprey aircraft during a tail gunnery certification in support of Weapons and Tactics Instructor (WTI) course in Yuma, Ariz., on Sept. 29, 2018. US Navy Photo

2024年8月24日 · With this incredible functionality and speed, the Marine Corps put the Osprey to the test in operations across Iraq and Afghanistan. While traditional military helicopters saw their advent in the...

2021年4月10日 · Today’s fifty-cal door gunners now use the M3 .50 caliber, a lighter weight version of the ‘old-but-gold’ M2HB (HB for Heavy Barrel), but in the door gunner configuration it’s officially called GAU-21 (GAU stands for Gun Aircraft Unit).

2019年8月22日 · GAU-21 .50 caliber RMWS replaced the GAU-18 RMWS. • The Navy conducted OT-IIIK FOT&E from March 2015 through August 2015 in accordance with the DOT&E-approved test plan dated February 20, 2015. This dedicated OT&E accumulated over 130 flight hours, which had been preceded by over 400 flight hours of integrated testing.

A U.S. special-mission aviator assigned to the 7th Special Operations Squadron mans a CV-22 Osprey ramp- mounted weapons system, a .50-caliber GAU-21 heavy machine gun, while traversing the air near Slunj Range, Croatia, Jan. 30, 2017.

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