NASA juggling piloted moon mission and space station crew replacement flight

January 17, 2026

TL;DR

NASA is managing two piloted spacecraft missions concurrently: Artemis 2 lunar flight and International Space Station (ISS) crew rotation.
The Artemis 2 mission, using the Space Launch System rocket, will send four astronauts on a flight around the moon, with launch targeted for early next month.
A medical issue prompted the early return of the ISS Crew 11, necessitating the launch of the replacement Crew 12 astronauts.
NASA has not managed two piloted spacecraft simultaneously since the Gemini program in 1965.
The Artemis 2 rocket is being moved to launch pad 39B for pre-launch tests, including a critical fueling test.
The Artemis 2 crew consists of Commander Reid Wiseman, Victor Glover, Christina Koch, and Jeremy Hansen.
The Crew 12 astronauts include Commander Jessica Meir, Jack Hathaway, Sophie Adenot, and Andrey Fedyaev.
The decision to launch Artemis 2 and Crew 12 will be based on technical constraints and readiness of both missions.
The Artemis 2 mission is a precursor to Artemis 3, which aims to land astronauts near the moon's south pole.
A previous ISS crew returned early due to a medical issue, leaving three astronauts currently aboard the station.

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