190129-N-OX029-1244 PHILIPPINE SEA (Jan. 29, 2019) Marines assigned to the 31st Marine Expeditionary Unit (MEU) fire a .50-caliber machine gun from a Humvee during a defense of the amphibious task force (DATF) drill aboard the amphibious assault ship USS Wasp (LHD 1). Wasp, flagship of the Wasp Amphibious Ready Group, with embarked 31st Marine Expeditionary Unit (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 3nd Class Benjamin F. Davella III/Released)