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Marines with Marine Wing Support Squadron (MWSS) 371 completed live-fire training with crew-served weapons at Yuma Proving Grounds, Ariz.
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USMCMWSS-371.50 caliber machine gun3rd MAW3rd Marine Aircraft WingMarine Corps Air Station MiramarMarine CorpsMarineslive-fire trainingcrew-served weaponsSgt. Lillian Stephensmark-19 grenade launcher3MAWPAO
June 16, 2016 | 1:18