Artemis II Pre-Flight Egress Fitness Standard Measures Test

Artemis II astronaut Christina Koch performing various pre-flight tasks for Artemis Spaceflight Standard Measures Test in xEMU space suit. Location: Bldg. 9 ARGOS. Date: 12/12/2025. Photo credit: NASA/Helen Arase Vargas

Artemis II astronaut Christina Koch prepares to begin the Egress Fitness Tasks during the Artemis Spaceflight Standard Measures Test at NASA’s Johnson Space Center on Dec. 12, 2025. (NASA/Helen Arase Vargas)