Engineers work during a 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 by NASA/Bill Ingalls) *** Please Use Credit from Credit Field ***