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Official Crew Portrait of Crew Health and Performance Exploration Analog (CHAPEA) Mission 2 Crew for NASA's one-year analog mission in a habitat to simulate living on Mars. Photo credit: NASA/Helen Arase Vargas and Bill Stafford

CHAPEA
Mission 2

NASA’s Crew Health and Performance Exploration Analog

A crew of four research volunteers stepped inside NASA’s CHAPEA (Crew Health and Performance Exploration Analog) habitat on Oct. 19, marking the start of the agency’s second 378-day simulated Mars mission. The crew will complete a variety of activities designed to replicate life and work on a long-duration mission on Mars, including high-tempo simulated Marswalks, robotic operations, habitat maintenance, physical exercise, and crop cultivation. The mission also aims to investigate how the crew adapts and responds to various environmental stressors that may arise during a real Martian mission, including limited access to resources, prolonged isolation, 22-minute communication delays, and equipment failures. Researchers will study how the team manages these conditions, which will inform future protocols and plans ahead of future crewed missions to Mars.

CHAPEA Mission 2 News

Stay up-to-date with the latest news from CHAPEA Mission 2

CHAPEA Crew Begins Stay Inside NASA’s Mars Habitat for Second Mission
3 min read

A crew of four research volunteers stepped inside NASA’s CHAPEA (Crew Health and Performance Exploration Analog) habitat on Oct. 19,…

November 25, 2025
Article
NASA Announces CHAPEA Crew for Year-Long Mars Mission Simulation
6 min read

Four research volunteers will soon participate in NASA’s year-long simulation of a Mars mission inside a habitat at the agency’s…

September 5, 2025
Article

CHAPEA Mission 2 Podcasts

Podcast: New CHAPEA Crew Members Discuss Their Mission

Before the crew entered the habitat, they sat down and talked about their mission on an episode of "Houston We Have a Podcast."

Podcast: The First Audio Log With The Crew in the Habitat

Mission 2 crew members record their first audio log just weeks after entering the Mars analog habitat.

View Pictures From Inside CHAPEA Mission 2