ocr: 9 Or PERSPECTIVES AND PROJECTS DEIOS PROJECTI L MARS ONE PROJECT - Air. and water reserves are reduced through use of a very efficient hydrogen and oxygen recycling system. Energy is provided by two SNAP 8 nuclear reactors, located in the hold. The Deimos project was scheduled to be launched on May 9, 1986. The mission would have begun with the spacecratt achieving a heliocentric orbit, crossing the orbit of Mars 200 days later. The crew would then remain on Mars or in Mars orbit for 300 days, before beginning the return to Earth, a journey that would take 330 days. The Mars Exploration Module ...