katjohnadams: Bruce McCandless II, floating in orbit far from the Space Shuttle, unsecured by tether
katjohnadams: Bruce McCandless II, floating in orbit far from the Space Shuttle, unsecured by tether. His only lifeline is the large “backpack” like system of thrusters called the Manned Maneuvering Unit (or MMU). The MMU was limited in use because of the perceived risk of loss of life, should part of the thruster system fail. Despite this, it has been featured in many movies. -- source link
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