190215-N-PP252-0025 NEWPORT NEWS, Va. (Feb. 19, 2018) Sailors assigned to the medical department aboard the Nimitz-class aircraft carrier USS George Washington (CVN 73) conduct stretcher-bearer training on the floating accommodation facility for Sailors on duty. 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 repair, upgrades and modernization. (U.S. Navy photo by Mass Communication Specialist Seaman Recruit Steven Young/Released)