Not sure if the above was in response to my previous post or not, so let me be more specific, just in case? I was talking about the Phase II
shuttle that was a finished concept, fully fleshed out and ready to go to the model stage. Specifically, the wing mounted "guns" which are similar to the "skis" on the TAS shuttle.
Here's a linky.... http://www.ottens.co.uk/forgottentrek/phase2_1.php
,Just thought I'd throw that out there, for whatever it's worth.