PORT HUENEME, Calif. (Aug. 29, 2022) Giovanni Fava, right, a mechanical engineer with Mide Technology Corp., explains the company's enDAQ data acquisition system, including a sensor (small device at center in foreground) positioned on the propeller shaft of the Self Defense Test Ship, as Lt. Cmdr. Sandra Wyman, left, and Boatswain's Mate 2nd Class Emmanuel Kuti of the Navy's Surge Maintenance program look on while underway off the coast of Port Hueneme, California, during the Repair Technology Exercise, or REPTX, on Aug. 29. The enDAQ system's sensors measured the shaft's movement for maintenance purposes. (U.S. Navy photo by Eric Parsons)