<p><BR/>Replying to:<BR/><DIV CLASS='Discussion_PostQuote'>A few, but not completeBigelow Aerospace (expandable space station modules - 2 test vehicles in orbit)Ad Astra Rocket (VASIMR plasma drive - to be tested on ISS) SpaceDev (Dream Chaser spaceplane, as noted, with some LockMart help)PlanetSpace (Silver Dart spaceplane with LockMart and ATK) <br /> Posted by docm</DIV></p><p> </p><p>Thanks, I did not know that Bigelow had a unfunded SSA with NASA.</p><p>What is your take on
this? </p><p>All of the milestones are different, who do you think is ahead?</p><p>Any comments on TSpace?</p><p> </p><p>Thanks for your insights. </p>