U.S. Navy sailors assigned to Mobile Diving Salvage Unit (MDSU) 1 Explosive Ordnance Detachment recover the test vehicle for NASA's low-density supersonic decelerator (LDSD) off the coast of the U.S. Navy's Pacific Missile Range Facility in Kauai, Hawaii. NASA's LDSD project is designed to investigate and test breakthrough technologies for landing future robotic and human Mars missions, and safely returning large payloads to Earth.