Private Enterprise- To mars

For details about the technology, I found some good links that can explain how it works...
For me, it's a detail that makes the goal behind a book more believable.. Don't you agree?
For the launching:
http://www.engadget.com/2010/12/21/us-navys-electromagnetic-aircraft-launch-system-launches-first/
For propulsion in space:
http://www.mtjf.demon.co.uk/antigravp2.htm

And these don't have to be the only form of either that can be designed and used.