July 2014
The hypersonic grail: advances at DARPA, AFRL and beyond
... utility rate, low reliability, and high maintenance cost for reusable launch systems such as the Space Shuttle, where low launch rate limits revenue-generation potential. If a 100 per cent reusable launch vehicle (RLV...
July 2014
Life without weight
Astronaut Karen Nyberg looks through a window in the newly installed Kibo laboratory of the International Space Station while Space Shuttle Discovery is docked with the station (NASA June 2008)
December 2014
Asteroid Redirect Mission: preparing for Mars in deep space
... in deep space. Human spaceflight has several examples of crewed-robotic vehicle interaction in LEO, such as the Space Shuttle Hubble repair missions. Human-robotic vehicle interactions in deep space present new challenges as they develop new...
December 2014
A door closes
... (ISS). American officials became so comfortable working with Russia in space that as the US wound down its Space Shuttle programme (finally ended in 2011) and left itself at least temporarily without independent access to the ISS, it was...
