Hospital Corpsman 2nd Class Justin Givens, from Baton Rouge, La., fabricates lens for glasses in medical aboard the Nimitz-class aircraft carrier USS Carl Vinson. Carl Vinson and its embarked air wing, Carrier Air Wing 17, are on deployment in the 7th Fleet area of operations supporting Valiant Shield. Valiant Shield is a U.S.–only biennial exercise in which participation will focus on the integration of joint training among U.S. forces.