article_snippet: This is the low density supersonic decelerator (LDSD) and, in June, Nasa will perform the latest test of this groundbreaking technology - a vital next step in the journey to Mars.
article_snippet: The LDSD is unique in The LDSD design, using a donut-shaped inflatable decelerator to create atmospheric drag.
article_snippet: The Supersonic Inflatable Aerodynamic Decelerator (SIAD) is a large, doughnut-shaped air brake that deployed during the shakeout flight, helping slow the second flight test vehicle in Nasa's LDSD project from 3.8 to two times the speed of sound.
article_snippet: The Supersonic Inflatable Aerodynamic Decelerator (SIAD) has more than double the area of a parachute. '
highlights_snippet: it is known as the low density supersonic decelerator (LDSD)
  