Space Boffins Sue Nelson and Richard Hollingham are joined by member of the first crew to fix a satellite in orbit, Terry Hart. He reveals the mystery of mission numbering, discusses the Challenger anniversary – 40 years ago this month – and how NASA used a spy satellite to check for Shuttle damage. After the recent medical evacuation from the International Space Station, the team also talk space emergencies with Meganne Christian, senior exploration manager at the UK Space Agency and trainee reserve astronaut for the European Space Agency. Plus, space journalists Ken Kremer and Andrew Cook look ahead to 2026 in space.

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