Space/Science — HabitableZone

Space/Science » in reply to re: Yes, let's see...

You're going to need a life support system...

that can carry the crew from Earth orbit to Mars and allow for an abort back to Earth without replenishment. That's a mission duration upwards of 2 years long without any possiblity for resupply. We've never come close to achieving that. The ISS gets regular resupply from Progress and from Shuttle missions when they resume.

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