Up until now, every morsel of food astronauts eat in outer space was created and packaged on earth. However, as we embark on the era of long-term space flight, NASA and other space agencies realize that that will need to change.  As the Senior Project Manager for Space Crop Production and Exploration Food Systems for NASA, this is the problem Ralph Fritsche has been thinking about for the past decade. Ralph, who helped develop the Deep Space Food Challenge, works with his team to try and figure out how exactly they'll feed astronauts when they set up camp on Mars over a decade from now.  If you've ever wondered about how we feed space travelers today and far into the future, this is the podcast for you!