CHAPEA space mission Actions Share Share Share to social media Facebook X URL https://www.britannica.com/science/CHAPEA-NASA Share Share Share to social media Facebook X URL https://www.britannica.com/science/CHAPEA-NASA Also known as: Crew Health and Performance Exploration Analog Written by Alison Eldridge Alison Eldridge was Managing Editor at Encyclopaedia Britannica. Alison Eldridge Fact-checked by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors. The Editors of Encyclopaedia Britannica Last Updated: Sep 17, 2024 • Article History Table of Contents In full: Crew Health and Performance Exploration Analog (Show more) CHAPEA, series of analog missions conducted by NASA that are intended to simulate human habitation on the surface of Mars. The missions, the first of which began on June 25, 2023, are meant to simulate yearlong stays on the red planet in preparation for future missions there. Subsequent missions are planned for 2025 and 2026. Like other analog missions, CHAPEA missions are conducted on Earth, which allows NASA personnel to gather important information for future missions before crew and equipment are subjected to the extreme conditions of space. Testing on Earth is less expensive and allows for a greater range ...(100 of 641 words)

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