USS Rafael Peralta fires its CIWS in South China Sea

A U.S. Navy phalanx close-in weapon system is fired during a pre-aim calibration fire aboard Arleigh Burke-class guided-missile destroyer USS Rafael Peralta (DDG 115) in the South China Sea, Dec. 15, 2025. Rafael Peralta is forward deployed and assigned to Destroyer Squadron (DESRON) 15, the Navy's largest DESRON and the U.S. 7th Fleet's principal surface force. (U.S. Navy photo by Mass Communication Specialist 1st Class Ryre Arciaga)