
ALT The four-member Crew Health and Performance Exploration Analog (CHAPEA) crew poses outside the 3D-printed habitat shortly after exiting on Oct. 31, 2026. The crew spent 378 days in isolation and confinement simulating a mission to Mars. From left are Science Officer Matthew Montgomery, Flight Engineer James Spicer, Commander Ross Elder, and Medical Officer Ellen Ellis. Credit: NASA/James Blair

ALT The four-member Crew Health and Performance Exploration Analog (CHAPEA) crew poses outside for the first time in more than a year following the end of their simulated Mars journey on Oct. 31, 2026. From left are Science Officer Matthew Montgomery, Flight Engineer James Spicer, Commander Ross Elder, and Medical Officer Ellen Ellis. Credit: NASA/James Blair

ALT A virtual meeting with four participants. Top left: a person smiling in an office setting. Top right: a group of children in a classroom, one standing at the front. Bottom left: a person against a plain background. Bottom right: a person in a space-themed setting holding a NASA patch, with Earth visible behind.




























