LITTLE CREEK, Va. (Aug. 25, 2021) Boatswain's Mate Seaman Diana Vallejo, center, assigned to deck department aboard the Nitmitz-class aircraft carrier USS George Washington (CVN 73), receives training on proper directing techniques during training. RCOH is a multi-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 Jack Lepien)