180124-N-SO730-040 NORFOLK (Jan. 24, 2018) Sailors assigned to the aircraft carrier USS George H.W. Bush (CVN 77) practice stretcher bearing techniques during a mass casualty drill. The ship is in port in Norfolk, Va., conducting routine maintenance in preparation for the Board of Inspection and Survey. (U.S. Navy photo by Mass Communication Specialist 3rd Joe Boggio/Released)