200310-N-KM722-0001 NEWPORT NEWS, Va. (March 10, 2020) The lights on the island are energized before sunrise aboard the Nimitz-class aircraft carrier USS George Washington (CVN 73). 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 2nd Class Marlan Sawyer/Released)