180227-N-SO730-025 NORFOLK, Va (Feb. 27, 2018) Medical department Sailors observe a review of preventive medicine records aboard the aircraft carrier USS George H.W. Bush (CVN 77). The ship is underway hosting Inspection and Survey (INSURV) for the ship's material inspection. (U.S. Navy photo by Mass Communication Specialist 3rd Class Joe Boggio/Released)