278K views · 8.9K reactions | Onward to Mars! Take a sneak peek at a 3D-printed, 1,700-square-foot habitat that will simulate the challenges of a mission to Mars as part of the Crew Health and Performance Analog, or CHAPEA. The habitat at NASA’s Johnson Space Center will be home to four intrepid crew members for the first of three one-year analog missions beginning in the summer of 2023. | NASA's Johnson Space Center | Facebook