NASA Opens Recruitment for Year-Long Simulated Moon-Mars Mission

NASA has announced that it is currently accepting applications for the Moon and Mars Exploration Analog (MMEA). The program will ultimately select four primary participants and two alternates to undertake a continuous, year-long simulation that mimics a full mission to Mars—including launch, surface operations, and return—entirely on Earth. Candidates will be chosen through the same rigorous screening used for actual astronaut crews.

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MMEA builds on two prior NASA analog projects. The Human Exploration Research Analog (HERA) tested crew performance in a confined spacecraft replica, while the Crew Health and Performance Exploration Analog (CHAPEA) placed participants in a mock Martian habitat with an exterior designed to resemble the Red Planet’s surface. The first CHAPEA trial lasted 378 days, and a second trial is underway, slated to conclude later this year. By integrating the HERA spacecraft environment with the CHAPEA habitat, MMEA aims to provide the first end-to-end rehearsal of a Mars mission without leaving Earth.

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NASA’s call specifies that applicants must be U.S. citizens aged 30 to 55, no taller than 6 ft 2 in, and hold a degree in science or engineering. Prospective crew members cannot have dietary restrictions, must not be sleepwalkers, and must pass a modified Class III flight physical as well as a comprehensive psychological assessment. These criteria are intended to ensure participants can endure the isolated, water-less, and physically demanding conditions of the simulation.

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NASA officials state that the analog will generate critical data on crew health, performance, and habitat design, informing the agency’s upcoming plans for a lunar base and future Mars expeditions. By observing how participants live and work in cramped, resource-limited quarters, NASA hopes to identify operational challenges and refine life-support systems before committing to actual deep-space flights. The program therefore serves as a low-risk, high-value testbed for the agency’s long-term exploration objectives.

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