200423-N-VQ790-1015 NEWPORT NEWS, Va. (April 23, 2020) Hospitalman John Davenport, middle, assigned to the medical department aboard the aircraft carrier USS George Washington (CVN 73), fills out a medical questionnaire for Machinist Mate (Nuclear) 2nd Class Ronald Creech, assigned to George Washington�s reactor department. 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 Trey Hutcheson/Released)