Sailors assigned to the Arleigh Burke-class guided-missile destroyer USS Ralph Johnson (DDG 114) participate in a main space fire drill in the north Pacific Ocean, Sept. 6, 2024. Ralph Johnson 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 Jamaal Liddell)