171030-N-LN093-0058 PACIFIC OCEAN (Oct. 30, 2017) Sailors participate in a mass casualty drill in the hangar bay of the aircraft carrier USS Carl Vinson (CVN 70). Carl Vinson is participating in a sustainment training exercise in preparation for an upcoming deployment. (U.S. Navy photo by Mass Communication Specialist Seaman Jasen Morenogarcia/Released)