The Orion Mission Evaluation Room (MER) team works during an Artemis II mission simulation on Aug. 19, 2025, from the new Orion MER inside the Mission Control Center at NASA’s Johnson Space Center in Houston.

The Orion Mission Evaluation Room (MER) team works during an Artemis II mission simulation on Aug. 19, 2025, from the new Orion MER inside the Mission Control Center at NASA’s Johnson Space Center in Houston.

The Orion Mission Evaluation Room (MER) team works during an Artemis II mission simulation on Aug. 19, 2025, from the new Orion MER inside the Mission Control Center at NASA’s Johnson Space Center in Houston.

The Orion Mission Evaluation Room (MER) team works during an Artemis II mission simulation on Aug. 19, 2025, from the new Orion MER inside the Mission Control Center at NASA’s Johnson Space Center in Houston.

The Orion Mission Evaluation Room (MER) team works during an Artemis II mission simulation on Aug. 19, 2025, from the new Orion MER inside the Mission Control Center at NASA’s Johnson Space Center in Houston.

The Orion Mission Evaluation Room (MER) team works during an Artemis II mission simulation on Aug. 19, 2025, from the new Orion MER inside the Mission Control Center at NASA’s Johnson Space Center in Houston.

The Orion Mission Evaluation Room (MER) team works during an Artemis II mission simulation on Aug. 19, 2025, from the new Orion MER inside the Mission Control Center at NASA’s Johnson Space Center in Houston.

The Orion Mission Evaluation Room (MER) team works during an Artemis II mission simulation on Aug. 19, 2025, from the new Orion MER inside the Mission Control Center at NASA’s Johnson Space Center in Houston.

The Orion Mission Evaluation Room (MER) team works during an Artemis II mission simulation on Aug. 19, 2025, from the new Orion MER inside the Mission Control Center at NASA’s Johnson Space Center in Houston.

The Orion Mission Evaluation Room (MER) team works during an Artemis II mission simulation on Aug. 19, 2025, from the new Orion MER inside the Mission Control Center at NASA’s Johnson Space Center in Houston.

The Orion Mission Evaluation Room (MER) team works during an Artemis II mission simulation on Aug. 19, 2025, from the new Orion MER inside the Mission Control Center at NASA’s Johnson Space Center in Houston.

jsc2026e397512 (June 25, 2026) - Natasha Peake, Flight Dynamics Officer, and Emily Kollin, Orion MER Control Console Operator, answer questions from the Artemis II crew during an employee celebration event at NASA's Johnson Space Center. Credit: NASA