200108-N-OW182-1001 NORFOLK (Jan. 8, 2020) Operations Specialist 2nd Class Terrence Nance, assigned to the Ticonderoga-class guided-missile cruiser USS Gettysburg (CG 64), participates in a watchstanding simulation inside the Center for Surface Combat Systems On Demand Trainer (ODT) at Naval Station Norfolk. ODTs provide an opportunity for individual watchstanders or watch teams to maintain their combat lethality. (U.S. Navy photo by Mass Communication Specialist 2nd Class Jacob Milham/Released)