Mark Carreau
August 26, 2025

NASA’s Crew Health and Performance Exploration Analog (CHAPEA) is a series of missions that will simulate year-long stays on the surface of Mars. Each mission will consist of four crew members living in an isolated 1,700-sq.-ft. habitat. 

Credit: NASA

HOUSTON–As NASA closes in on the liftoff of its first Artemis mission to the Moon with astronauts, the agency is prepping for its second year-long simulation of life on the red planet with a crew of four whose professional backgrounds match those of actual astronauts. The process began in February…

Mark Carreau

Mark is based in Houston, where he has written on aerospace for more than 25 years. While at the Houston Chronicle, he was recognized by the Rotary National Award for Space Achievement Foundation in 2006 for his professional contributions to the public understanding of America’s space program through news reporting.

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