150527-N-DT805-011 KAUAI, Hawaii (May. 27, 2015) Sailors assigned to Mobile Diving and Salvage Unit (MDSU) 1 conduct a safety walk-through in preparation for recovering 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. (U.S. Navy photo by Chief Mass Communication Specialist John M. Hageman/Released)