Manned Maneuvering Unit References Manned Maneuvering Unit technology Ask Anything Homework Help Also known as: MMU Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Bruce McCandlessHe also helped develop the Manned Maneuvering Unit (MMU), a rocket-propelled backpack that was worn by an astronaut during shuttle space walks. Read MoreHe also helped develop the Manned Maneuvering Unit (MMU), a rocket-propelled backpack that was worn by an astronaut during shuttle space walks. Read More