CHAPEA Mission 2 Medical Officer Exercises Inside Habitat

Crew Health and Performance Exploration Analog (CHAPEA) mission 2 medical officer, Ellen Ellis, exercising in the habitat using a stationary bike. Credit: NASA

jsc2026e403156 (Oct. 25, 2025) -- Crew Health and Performance Exploration Analog (CHAPEA) mission 2 medical officer, Ellen Ellis, exercising in the habitat using a stationary bike. Credit: NASA