180806-N-EX853-0042 SAN DIEGO (Aug. 6, 2018) Senior Chief Hospital Corpsman Will Sappenfield, left, and Hospital Corpsman 3rd Class Kegan Keller, tend to an injury during a simulated mass casualty on the pier outside 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/Released)