Interesting little bit here [URL="http://www.adastrarocket.com/aarc/Technology"]www.adastrarocket.com/aarc/Technology[/URL] on VASIMR technology. Seen running here [URL="http://www.youtube.com/watch?v=GIg6pWwezEU"]www.youtube.com/watch?v=GIg6pWwezEU[/URL] looking back at this 2003 NASA article [URL="http://www.nasa.gov/vision/space/travelinginspace/future_propulsion.html"]www.nasa.gov/vision/space/travelinginspace/future_propulsion.html[/URL] then recently [URL="http://www.youtube.com/watch?v=XRfsfDLREdg"]www.youtube.com/watch?v=XRfsfDLREdg[/URL] and I believe a deal was recently done to take one to the ISS