170725-M-HF454-035 PACIFIC OCEAN (July 25, 2017) Marines assigned to Marine Medium Tiltrotor Squadron (VMM) 161 (Reinforced) launch a RQ-21A Blackjack unmanned aerial aircraft from the flight deck of the amphibious transport dock ship USS San Diego (LPD 22). The 15th Marine Expeditionary Unit and America Amphibious Ready Group are operating in the U.S. 7th Fleet area of operations to enhance regional partnerships and serve as a ready-response capability for any type of contingency. (U.S. Marine Corps photo by Cpl. Timothy Valero/Released)