timothy from the want-to-get-inside-it dept.
Zothecula writes "With the space shuttle program now officially over, the United States needs a new reusable vehicle for getting supplies to and from the International Space Station. NASA is considering the Dragon spacecraft, designed by California-based SpaceX Exploration Technologies, to take over that role. The Dragon's scheduled late March/early April test flight to the ISS will be unmanned, utilizing a cargo configuration of the spacecraft. Last Friday, however, SpaceX released photographs of an engineering model of its planned seven-passenger crew cabin, complete with a crew that included real, live astronauts."
Computers are unreliable, but humans are even more unreliable.
Any system which depends on human reliability is unreliable.