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NASA, DoD Practice Abort Scenarios Ahead of Artemis II Moon Mission

NASA, DoD Practice Abort Scenarios Ahead of Artemis II Moon Mission

  • NASA and the Department of Defense (DoD) conducted joint simulations to rehearse recovery procedures for a launch pad abort scenario ahead of the Artemis II moon mission.
  • The simulations, which took place off the coast of Florida, tested emergency procedures for rescuing the crew in case of a launch emergency, including an abort while the SLS rocket is still on the launch pad and during ascent to space.
  • A team of NASA personnel, DoD representatives, and U.S. Air Force pararescuers practiced rescue procedures using test mannequins and a representative version of Orion called the Crew Module Test Article.
  • The simulations involved multiple teams working together, including launch control, flight controllers, and mission management teams, to exercise integrated procedures for emergency scenarios.
  • The exercises are part of NASA’s efforts to prepare for the Artemis II mission, which aims to send four astronauts around the Moon and back next year as part of the agency’s first crewed lunar mission.
Teams with NASA and the Department of Defense (DoD) rehearse recovery procedures for a launch pad abort scenario off the coast of Florida near the agency’s Kennedy Space Center on Wednesday, June 11, 2025.
NASA/Isaac Watson

NASA and the Department of Defense (DoD) teamed up June 11 and 12 to simulate emergency procedures they would use to rescue the Artemis II crew in the event of a launch emergency. The simulations, which took place off the coast of Florida and were supported by launch and flight control teams, are preparing NASA to send four astronauts around the Moon and back next year as part of the agency’s first crewed Artemis mission.

The team rehearsed procedures they would use to rescue the crew during an abort of NASA’s Orion spacecraft while the SLS (Space Launch System) rocket is still on the launch pad, as well as during ascent to space. A set of test mannequins and a representative version of Orion called the Crew Module Test Article, were used during the tests.

The launch team at NASA’s Kennedy Space Center in Florida, flight controllers in mission control at the agency’s Johnson Space Center in Houston, as well as the mission management team, all worked together, exercising their integrated procedures for these emergency scenarios.

Teams with NASA and the Department of Defense (DoD) rehearse recovery procedures for a launch pad abort scenario off the coast of Florida near the agency’s Kennedy Space Center on Wednesday, June 11, 2025.
NASA/Isaac Watson

“Part of preparing to send humans to the Moon is ensuring our teams are ready for any scenario on launch day,” said Lakiesha Hawkins, NASA’s assistant deputy associate administrator for the Moon to Mars Program, and who also is chair of the mission management team for Artemis II. “We’re getting closer to our bold mission to send four astronauts around the Moon, and our integrated testing helps ensure we’re ready to bring them home in any scenario.”

The launch pad abort scenario was up first. The teams conducted a normal launch countdown before declaring an abort before the rocket was scheduled to launch. During a real pad emergency, Orion’s launch abort system would propel Orion and its crew a safe distance away and orient it for splashdown before the capsule’s parachutes would then deploy ahead of a safe splashdown off the coast of Florida.

Teams with NASA and the Department of Defense (DoD) rehearse recovery procedures for a launch pad abort scenario off the coast of Florida near the agency’s Kennedy Space Center on Wednesday, June 11, 2025.
NASA/Isaac Watson

For the simulated splashdown, the test Orion with mannequins aboard was placed in the water five miles east of Kennedy. Once the launch team made the simulated pad abort call, two Navy helicopters carrying U.S. Air Force pararescuers departed nearby Patrick Space Force Base. The rescuers jumped into the water with unique DoD and NASA rescue equipment to safely approach the spacecraft, retrieve the mannequin crew, and transport them for medical care in the helicopters, just as they would do in the event of an actual pad abort during the Artemis II mission.

The next day focused on an abort scenario during ascent to space.

The Artemis recovery team set up another simulation at sea 12 miles east of Kennedy, using the Orion crew module test article and mannequins. With launch and flight control teams supporting, as was the Artemis II crew inside a simulator at Johnson, the rescue team sprung into action after receiving the simulated ascent abort call and began rescue procedures using a C-17 aircraft and U.S. Air Force pararescuers. Upon reaching the capsule, the rescuers jumped from the C-17 with DoD and NASA unique rescue gear. In an actual ascent abort, Orion would separate from the rocket in milliseconds to safely get away prior to deploying parachutes and splashing down.

Teams with NASA and the Department of Defense (DoD) rehearse recovery procedures for an ascent abort scenario off the coast of Florida near the agency’s Kennedy Space Center on Thursday, June 12, 2025.
NASA/Isaac Watson

Rescue procedures are similar to those used in the Underway Recovery Test conducted off the California coast in March. This demonstration ended with opening the hatch and extracting the mannequins from the capsule, so teams stopped without completing the helicopter transportation that would be used during a real rescue.

Exercising procedures for extreme scenarios is part of NASA’s work to execute its mission and keep the crew safe. Through the Artemis campaign, NASA will send astronauts to explore the Moon for scientific discovery, economic benefits, and to build the foundation for the first crewed missions to Mars – for the benefit of all. 

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Q. What was the purpose of the recent simulation exercise conducted by NASA and the Department of Defense (DoD)?
A. The purpose of the simulation exercise was to rehearse recovery procedures for a launch pad abort scenario and an ascent abort scenario ahead of the Artemis II Moon mission.

Q. When did the simulation exercise take place?
A. The simulation exercise took place on June 11 and 12, 2025, off the coast of Florida near NASA’s Kennedy Space Center.

Q. What was used during the tests to simulate a launch pad abort scenario?
A. A set of test mannequins and a representative version of Orion called the Crew Module Test Article were used during the tests.

Q. Who participated in the simulation exercise?
A. The teams that participated included NASA’s Kennedy Space Center, Johnson Space Center, and the Department of Defense (DoD), as well as Navy helicopters and U.S. Air Force pararescuers.

Q. What was the goal of the Artemis recovery team during the simulation exercise?
A. The goal of the Artemis recovery team was to rescue the crew in the event of a launch emergency, ensuring their safety and bringing them home safely.

Q. How did the rescuers approach the spacecraft during the simulated pad abort scenario?
A. The rescuers jumped into the water with unique DoD and NASA rescue equipment to safely approach the spacecraft, retrieve the mannequin crew, and transport them for medical care in helicopters.

Q. What was used during the ascent abort simulation exercise?
A. A C-17 aircraft and U.S. Air Force pararescuers were used during the ascent abort simulation exercise.

Q. How did the rescuers approach the capsule during the simulated ascent abort scenario?
A. The rescuers jumped from the C-17 with DoD and NASA unique rescue gear to safely approach the capsule, retrieve the mannequin crew, and transport them for medical care in helicopters.

Q. What is the significance of exercising procedures for extreme scenarios like launch pad aborts and ascent aborts?
A. Exercising procedures for extreme scenarios is part of NASA’s work to execute its mission and keep the crew safe, ensuring their safety and bringing them home safely in any scenario.

Q. What is the ultimate goal of the Artemis campaign?
A. The ultimate goal of the Artemis campaign is to send astronauts to explore the Moon for scientific discovery, economic benefits, and to build the foundation for the first crewed missions to Mars – for the benefit of all.