151106-M-DE426-009 GULF OF ADEN (Nov. 6, 2015) U.S. Marines aboard the USS Oak Hill (LSD-51) remove cargo ropes from pallets during a vertical replenishment at sea in the Gulf of Aden, Nov. 6. The 26th Marine Expeditionary Unit is embarked on the Kearsarge Amphibious Ready Group and is deployed to maintain regional security in the US 5th Fleet area of operations. (U.S. Marine Corps photo by Staff Sgt. Bobby J. Yarbrough/Released)