180418-N-JU894-0025 NORFOLK (April 18, 2018) Aviation Boatswain's Mate (Handling) Brian Graham, left, and Aviation Boatswain's Mate (Equipment) Airman Caleb Chandler aboard USS George H.W. Bush (CVN 77) conduct morning colors on the flight deck. The flag is being flown at half-mast to honor former first lady Barbara Bush, wife of the ship’s namesake, who passed away April 17, 2018. The ship is in port in Norfolk, Virginia, conducting sustainment exercises to maintain carrier readiness. (U.S. Navy photo by Mass Communication Specialist 3rd Class Brooke Macchietto/Released)