190814-N-VQ790-1063 NEWPORT NEWS, Va. (Aug. 14, 2019) Sailors aboard the aircraft carrier USS George Washington (CVN 73) perform curl-ups at Huntington Hall during a fitness enhancement program session. 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 of 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)