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Apr 13, 2026 · Updated 01:36 PM UTC
Science

Orion Spacecraft Toilet Malfunction Forces Astronauts to Use Emergency Bags

A frozen urine tank has clogged the waste management system on the Artemis II Orion spacecraft, forcing astronauts to rely on emergency bags for their physiological needs.

Lena Kim

2 min read

Orion Spacecraft Toilet Malfunction Forces Astronauts to Use Emergency Bags
Photo: nasa.gov

The Orion spacecraft is currently deep in space, closer to the moon than to Earth. While the mission has been proceeding smoothly overall, flight controllers at the Johnson Space Center in Houston have had to shift their focus during daily briefings to the spacecraft's recurring toilet issues.

Early in the mission, the toilet drew attention when its pump failed to respond. The system test required priming the pump with water, but due to an insufficient amount being injected, the pump refused to engage. Once ground crews corrected the water levels, the system returned to normal. That brief glitch sparked a flurry of online discussion about waste management that lasted for 24 hours.

Urine Disposal System Clogged Again

Late last Friday, a new issue emerged. The Orion spacecraft is equipped with a storage tank roughly the size of an office trash can designed to collect urine before venting it into space. However, flight controllers discovered that the urine inside the tank had frozen, causing a blockage in the disposal line. While the toilet's solid waste function remains unaffected, the system for handling urine is completely out of commission.

To address the issue, the command team adjusted the spacecraft's orientation, attempting to expose the urine tank and vent lines to maximum sunlight to melt the ice. Although this measure provided some relief, it failed to fully resolve the problem. For now, the astronauts must continue to rely on emergency bags to manage their urine while in space.

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