Shuttle News Shuttle Derived Launch Vehicle Idea Is Still Alive By Keith Cowing NASA Watch June 14, 2010 Filed under HLV, JSC, SDLV, shuttle, Sidemount Click on image to download 1.5 MB PDF file from the Space Shuttle Program at JSC. Keith Cowing NASA Watch founder, Explorers Club Fellow, ex-NASA, Away Teams, Journalist, Space & Astrobiology, Lapsed climber.