200423-N-ZI768-1004 NEWPORT NEWS, Va. (April 23, 2020) Seaman James Powell, assigned to the paint team aboard the Nimitz-class aircraft carrier USS George Washington (CVN 73), installs temporary ventilation prior to painting the space. George Washington is undergoing refueling complex overhaul (RCOH) at Newport News Shipyard. RCOH is a nearly four-year project performed only once during a carrier�s 50-year service life that includes refueling the ship�s two nuclear reactors, as well as significant repairs, upgrades, and modernization. (U.S. Navy photo by Mass Communication Specialist Seaman Cory J. Daut/Released)