180721-N-GD109-0065 PACIFIC OCEAN (July 21, 2018) Quartermaster 2nd Class Alexis Brown, left, and Quartermaster 3rd Class Patrick Casseus clean windows aboard the Nimitz-class aircraft carrier USS Carl Vinson (CVN 70). (U.S. Navy photo by Mass Communication Specialist 2nd Class Z.A. Landers/Released)