Marines and sailors aboard the USS Oak Hill (LSD-51) unload boxes during a replenishment at sea in the Gulf of Oman, Jan. 14. The 26th Marine Expeditionary Unit is embarked on the Kearsarge Amphibious Readiness Group and is deployed to maintain regional security in the U.S. 5th Fleet area of operations. (U.S. Marine Corps photo by Staff Sgt. Bobby J. Yarbrough/Released)