space medium MCQ

The first EVA using a self-contained backpack propulsion unit (MMU) was performed during which shuttle mission?

  1. STS-7
  2. STS-41-B
  3. STS-61
  4. STS-82

Answer: STS-41-B

Bruce McCandless II conducted untethered EVA using MMU on Feb 7, 1984, demonstrating free-flying capability for satellite retrieval/servicing.

Topic Space History
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