NASAs Ian Clark is the Principal Investigator for the Low Density Supersonic Decelerator (LDSD) Project; its basically an inflatable airbrake designed to help .\r<br>\r<br>\r<br>\r<br>\r<br>\r<br>\r<br>\r<br>NASAs LDSD test is designed to investigate breakthrough technologies that will benefit landing future robotic and human Mars missions, as well as aid in safely .