180806-N-EX853-0008 SAN DIEGO (Aug. 6, 2018) Sailors respond to a simulated mass casualty on the pier near the Nimitz-class aircraft carrier USS John C. Stennis (CVN 74). John C. Stennis is conducting routine operations in the 3rd Fleet area of operations. (U.S. Navy photo by Mass Communication Specialist Seaman Isabel S. Birchard)