Low-Density Supersonic Decelerator Prepared For Second Flight Test Full mission dress rehearsal for the Low-Density Supersonic Decelerator (LDSD), Friday, May 29, 2015, U.S. Navy Pacific Missile Range Facility (PMRF) in Kauai, HI. The LDSD crosscutting technology demonstration mission will test breakthrough entry, descent and landing technologies that will enable large payloads to be landed safely on the surface of Mars. Photo Credit: (NASA/Bill Ingalls)