190206-N-BD319-0080 NEWPORT NEWS, Va. (Feb. 6, 2019) ) Interior Communications Electrician 3rd Class Summer Huff, left, from Waianae, Hawaii, and Interior Communications Electrician 3rd Class Karla Jane Remigio, from Orange County, California, assigned to the Nimitz-class aircraft carrier USS George Washington (CVN 73), use rowing machines as part of a fitness class for the Deep Six fitness challenge at Huntington Hall. George Washington is undergoing a 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 3rd Class Adam Ferrero/Released)