150421-N-GZ947-045 PACIFIC OCEAN (April 21, 2015) -

150421-N-GZ947-045 PACIFIC OCEAN (April 21, 2015) - Aviation Electrician's Mate 3rd Class David Hayes, from Riverside, Calif., removes salt buildup from a fire hose coupling while performing preventive maintenance aboard USS John C. Stennis (CVN 74). Stennis is undergoing Tailored Ship's Training Availability and Final Evaluation Problem, assessing its abilities to conduct combat missions, support functions and survive complex casualty control situations. (U.S. Navy Photo by Mass Communication Specialist Seaman Kenneth Rodriguez Santiago/Released)