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Sunday 22/02/2026

Nasa Weighs Early Return of ISS Crew Due to Medical Concern

Astronauts discussing a medical issue on the International Space Station
Maya SinghMaya Singh

In This Article

HIGHLIGHTS

  • Nasa is considering an early return of Crew-11 from the ISS due to a medical issue with one astronaut, who remains stable.
  • The planned spacewalk for Thursday was canceled as a precaution, highlighting the importance of astronaut health and safety.
  • Crew-11, consisting of astronauts from the US, Japan, and Russia, was originally scheduled to return in late February 2026.
  • If the mission ends early, the remaining crew on the ISS will focus on essential operations until the new crew arrives.
  • The ISS is equipped with medical facilities and communication systems for remote consultations with Earth-based doctors.

Nasa is currently evaluating the possibility of an early return for the Crew-11 team aboard the International Space Station (ISS) following a medical issue involving one of its astronauts. The affected crew member, whose identity has not been disclosed, is reportedly in stable condition. This development has already led to the cancellation of a scheduled spacewalk, underscoring the agency's commitment to astronaut health and safety.

Medical Issue Prompts Mission Reevaluation

The medical concern arose on Wednesday, prompting Nasa to cancel a spacewalk planned for the following day. "Safely conducting our missions is our highest priority," a Nasa spokeswoman stated, emphasizing the agency's thorough assessment of all options, including the potential for an earlier conclusion to Crew-11's mission. The crew, which includes Nasa astronauts Zena Cardman and Mike Fincke, Japanese astronaut Kimiya Yui, and Russian cosmonaut Oleg Platonov, launched to the ISS in August 2025 aboard a SpaceX Crew Dragon. They were initially scheduled to return to Earth in late February 2026.

Impact on ISS Operations

Should Crew-11 return early, the remaining ISS crew, comprising Nasa astronaut Chris Williams and Russian cosmonauts Sergey Kud Sverchkov and Sergei Mikayev, would need to prioritize essential operations over experimental tasks. "The space station is a big, complex feat of engineering," noted Dr. Simeon Barber, a space scientist at the Open University. "If Crew-11 were to return early, the remaining crew would focus more on housekeeping and maintenance."

Privacy and Medical Protocols

Nasa maintains strict confidentiality regarding medical issues in space, with astronauts rarely disclosing their health conditions publicly. The ISS is equipped with basic medical supplies and communication systems that allow for secure consultations with Earth-based medical professionals. This setup ensures that astronauts receive appropriate care and advice, even in the challenging environment of space.

WHAT THIS MIGHT MEAN

If Nasa decides to bring Crew-11 back early, it could delay certain scientific experiments and maintenance tasks on the ISS until the arrival of the replacement crew. This decision would also highlight the challenges of managing health issues in space, where medical resources are limited. Experts suggest that such situations could lead to further advancements in space medicine and protocols for handling medical emergencies in orbit. Additionally, an early return might prompt Nasa to review and possibly enhance its health monitoring systems for astronauts, ensuring that future missions are better equipped to handle similar challenges.

Images from the Web

Additional article image
Image Source: NASA
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Image Source: NASA
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Image Source: AP