War In Ukraine Brings Tension To Russian, U.S. Space Programs

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War In Ukraine Brings Tension To Russian, U.S. Space Programs
NASA astronaut Mark Vande Hei is home at last after spending close to a year living on board the International Space Station.

U.S. Astronaut Mark Vande Hei says the Russian invasion of Ukraine sparked a few uncomfortable discussions with his Russian crewmates on the International Space Station.