NASA manned Mars mission details emerge

flightglobal.com — A 400,000kg (880,000lb) Marship would be assembled in orbit using six Ares V cargo launch vehicle flights for a 900-day mission to the red planet. - The spacecraft would take a "minimal crew" to Mars in six to seven months, with the crew spending up to 550 days on the surface. Nov 26, 2007 View in Crawl 4