A Marine Corps crew chief fires an M2 .50-caliber machine gun from the back of a CH-53E Super Stallion helicopter near Misawa Air Base, Japan, August 21, 2017, during exercise Northern Viper 17. – US Department of Defense

Marine Corps crew chief fires an M2 50-caliber machine gun from the back of a CH-53E Super Stallion helicopter

Featured image Marine Corps photo by Lance Cpl. Andy Martinez