> 22t of food per astronaut on a one-way trip to Mars That's not what your link says. It actually says: "It is estimated that a 3-year Mars mission with a cre

> 22t of food per astronaut on a one-way trip to Mars That's not what your link says. It actually says: "It is estimated that a 3-year Mars mission with a crew of six would have a total energy expenditure of 12 megajoules per person per day, regardless of water requirements, and would carry 22 tons of water-containing food on the spacecraft"