Via Zero-G News
Mathew Travis has done an excellent job of covering this. Check out his complete coverage at
If you watched the previous post, ABORT ABORT ABORT, you should have noticed one of the reasons that SpaceX will be most cost effective (cheaper) commercial space carrier. The Crew Dragon capsule contains the SuperDraco thrusters used both for abort and terrestrial landing. Every other manned system to date with the exception of the Space Shuttle used or uses a disposable abort escape tower. Look at the tower used for Orion. What a monster … and it is thrown away with very launch!