180801-N-OM854-0128 PACIFIC OCEAN (Aug. 1, 2018) Sailors set a fire watch by manning a hose during a mass casualty drill in the hangar bay aboard the Nimitz-class aircraft carrier USS John C. Stennis (CVN 74). John C. Stennis is currently conducting routine operations in the U.S. 3rd Fleet area of operations. (U.S. Navy photo by Mass Communication Specialist 3rd Class Grant G. Grady)