Two U.S. Marine Corps F/A-18C Hornet aircraft assigned to Marine Fighter Attack Squadron (VMFA) 312 fly in formation after taking on fuel from a KC-135 Stratotanker aircraft assigned to the 340th Expeditionary Air Refueling Squadron over Afghanistan July 8, 2010. (DoD photo by Staff Sgt. Andy M. Kin, U.S. Air Force/Released)