Astronauts Stuck in ISS is a key topic under Science And Technology for UPSC Civil Services Examination. Key points include: Astronauts Sunita Williams and Barry Wilmore are currently stranded on the ISS until February 2025.. The issue stems from technical problems with Boeing's Starliner spacecraft during its first crewed mission.. Concerns include astronaut safety, ISS capacity management, and the long-term health effects of prolonged space travel.. Understanding this topic is essential for both UPSC Prelims and Mains preparation.
Astronauts Stuck in ISS is a Medium-level topic in UPSC Science And Technology. It is tested in both Prelims (factual MCQs) and Mains (analytical answer writing). Previous year UPSC questions have frequently covered aspects of Astronauts Stuck in ISS, making it essential for comprehensive IAS preparation.
To prepare Astronauts Stuck in ISS for UPSC: (1) Study the comprehensive notes covering all key concepts on Vaidra. (2) Practice previous year questions on this topic. (3) Connect it with current affairs using daily updates. (4) Revise using key takeaways and mind maps available for Science And Technology. (5) Write practice answers linking Astronauts Stuck in ISS to related GS Paper topics.

Two NASA astronauts, Sunita Williams and Barry “Butch” Wilmore, are currently staying on the International Space Station (ISS).
Their return, originally planned for June 2024, has been extended until February 2025 due to unforeseen technical issues.
The astronauts traveled to the ISS aboard Boeing’s Starliner spacecraft, which was undertaking its first crewed mission.
NASA is actively working to resolve the various technical issues identified with the Starliner spacecraft.
These issues raise significant concerns regarding:
The Boeing Starliner is one of several spacecraft designed to provide crewed transport services to orbit.
Other notable spacecraft offering similar services include:
UPSC Insight: This incident highlights the complexities of commercial crew programs and the critical importance of redundancy and safety protocols in space exploration. It's relevant for Science & Technology (GS-III).

