171107-N-UH661-140 PACIFIC OCEAN (Nov. 7, 2017) Sailors practice firefighting techniques under the instruction of Aviation Boatswain's Mate 1st Class Jose Bautista during a mass-casualty drill on the flight deck aboard USS John C. Stennis (CVN 74). John C. Stennis is underway conducting routine training as it continues preparing for its next scheduled deployment. (U.S. Navy photo by Mass Communication Specialist 3rd Class Mike Pernick/Released)