190129-N-SA412-2114 PHILIPPINE SEA (Jan. 29, 2019) Sailors run to chock and chain an F-35B Lightning II aircraft assigned to Marine Fighter Attack Squadron (VMFA) 121, the fixed wing component of the 31st Marine Expeditionary Unit (MEU) Aviation Combat Element, on the flight deck of the amphibious assault ship USS Wasp (LHD 1). Wasp, flagship of Wasp Amphibious Ready Group, with embarked 31st MEU, is operating in the Indo-Pacific region to enhance interoperability with partners and serve as a ready-response force for any type of contingency. (U.S. Navy photo by Mass Communication Specialist 3rd Class Sean Galbreath)