
Astronaut Mike Massimino Practices Repairs for SM4
Astronaut Mike Massimino uses a version of the Mini Power Tool and the Fastener Capture Plate to practice on a replica of STIS while training for Servicing Mission 4.
Image Credit: NASA
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https://science.nasa.gov/image-detail/astroanut-mike-massimino-practices-hubble-repairs-for-sm4/
Image CreditNASA
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