Astronaut propulsion unit

U.S. astronaut Bruce McCandless uses a manned maneuvering unit

An astronaut propulsion unit (or astronaut maneuvering unit) is used to move an astronaut relative to the spaceship during a spacewalk. The first astronaut propulsion unit was the Hand-Held Maneuvering Unit (HHMU) used on Gemini 4.

单词	Astronaut Maneuvering Unit
释义	Astronaut Maneuvering Unit 英语百科 Astronaut propulsion unit An astronaut propulsion unit (or astronaut maneuvering unit) is used to move an astronaut relative to the spaceship during a spacewalk. The first astronaut propulsion unit was the Hand-Held Maneuvering Unit (HHMU) used on Gemini 4.
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Astronaut Maneuvering Unit

Astronaut propulsion unit