NASA's 'Flying Saucer' Test - Launch and Powered Flight | Video

The Low-Density Supersonic Decelerator (LDSD) was tested over Hawaii on June 28th, 2014. (All did not go according to plan - Full Story) The vehicle, testing new Mars descent and landing tech, was dropped from a balloon at an altitude of 23 miles and fired its onboard rocket to a speed of Mach 4.  

credit : NASA