Elbon: 4 test flights -- abort system test 2013, orbital flight test & ascend abort test 2014, 2-crew flight test 2015. #Boeing
8:48 AM - 28 Apr 2011
0 replies
2 retweets
0 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.