McCandless Orbits in Jetpack

NASA - On Feb. 12, 1984, astronaut Bruce McCandless, ventured further away from the confines and safety of his ship than any previous astronaut had ever been. This space first was made possible by a nitrogen jet propelled backpack, previously known at NASA as the Manned Manuevering Unit or MMU. After a series of test maneuvers inside and above Challenger's payload bay, McCandless went...