PORT HUENEME, Calif. (Aug. 24, 2022) U.S. Navy Surge Maintenance Senior Chief Brandon Haschke, left, places a powerful magnet on the starboard hull of the Self Defense Test Ship (SDTS) to prepare for a demonstration, the third day of the Repair Technology Exercise, or REPTX, at Naval Surface Warfare Center, Port Hueneme Division (NSWC PHD). Two companies later deployed robots to search the hull for foreign objects. (U.S. Navy photo by Eric Parsons)