180324-M-OP674-017 PHILIPPINE SEA (March 24, 2018) Marines assigned to Marine Fighter Attack Squadron 121 mount a 1,000 pound guided bomb unit (GBU) 32 onto an F-35B Lightning II on the flight deck of the amphibious assault ship USS Wasp (LHD 1) while the ship is underway in the Philippine Sea. This event marked the first time an F-35 has been loaded with live ordnance at sea during an operational deployment. (U.S. Marine Corps photo by Lance Cpl. Amy Phan/Released)