MK-38 25 mm machine gun

GULF OF ADEN (July 6, 2011) An MK-38 25 mm machine gun fires during a weapons live-fire exercise aboard the guided-missile cruiser USS Anzio (CG 68). Anzio is assigned to Combined Task Force 151, a multi-national, mission-based task force established by the Combined Maritime Forces in January 2009 to conduct counter-piracy operations in the Red Sea, Gulf of Aden, Somali Basin and Arabian Sea. (U.S. Navy photo by Mass Communication Specialist 2nd Class Brian M. Brooks/Released)