PORT HUENEME, Calif. (Aug. 30, 2022) Surge Maintenance Hull Maintenance Technician 2nd Class Gerardo Vasquez, left, tries out for the first time the Dragonfly cold spray system with a hand spray applicator under the guidance of VRC Metal Systems Cold Spray Technician Ben Richard aboard the Self Defense Test Ship while underway off the coast of Port Hueneme, California, as part of the Repair Technology Exercise, or REPTX. The ship is an asset of Naval Surface Warfare Center, Port Hueneme Division (NSWC PHD). (U.S. Navy photo by Eric Parsons)