RT @MarkZastrow: This is the article to read for context about @virgingalactic‘s engine struggles with #spaceshiptwo. By @spacecom: parabolicarc.com/2014/10/30/apo…
RT @MarkZastrow: This is the article to read for context about @virgingalactic‘s engine struggles with #spaceshiptwo. By @spacecom: parabolicarc.com/2014/10/30/apo…