190211-M-QT322-0027 MEDITERRANEAN SEA (Feb. 11, 2019) Marines assigned to the 22nd Marine Expeditionary Unit (MEU) practice door breeching techniques using high explosive ordinance during a live-fire breeching exercise on the flight deck of the San Antonio-class amphibious transport dock ship USS Arlington (LPD 24), Feb. 11, 2019. Arlington is making a scheduled deployment as part of the 22nd MEU and the Kearsarge Amphibious Ready Group, in support of maritime security operations, crisis response and theater security cooperation, while also providing a forward Naval and Marine presence. (U.S. Marine Corps photo by Staff Sgt. Andrew Ochoa/Released)