XP spaceplane is based on modified Lear 25 jet. Oklahoma-based Rocketplane Limited, Inc. is moving forward on this design for suborbital passenger flight and other missions. Image Credit: Rocketplane Limited, Inc.

Site Map | News | SpaceFlight | Science | Technology | Entertainment | SpaceViews | NightSky | Ad Astra | SETI
Image Galleries | Videos | Reader Favorites | Image of the Day | Amazing Images | Wallpapers | Community
about us | FREE Email Newsletter | message boards | register at SPACE.com | contact us | advertise with us | terms & conditions | privacy statement
DMCA/Copyright
  What is This?