190826-N-VQ790-1002 NEWPORT NEWS, Va. (Aug. 26, 2019) Sailors assigned to the Nimitz-aircraft carrier USS George Washington (CVN 73) air department organize tank level indicators (TLI). 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 3rd Class Trey Hutcheson/Released)