U.S. Sailors with Explosive Ordnance Disposal Mobile Unit 12 conduct fast-rope maneuvers from an MH-60S Seahawk helicopter assigned to Helicopter Sea Combat Squadron 9 above the flight deck of the aircraft carrier USS George H.W. Bush in the Persian Gulf Sept. 27, 2014. The George H.W. Bush was underway supporting maritime security operations and theater security cooperation efforts in the U.S. 5th Fleet area of responsibility.