From the department of truly awesome achievements comes this photograph, taken in February 1984, of astronaut Bruce McCandless floating 320 feet from the space shuttle Challenger during the first-ever untethered space walk using a jet-propelled backpack. 
[NASA photo via Design You Trust]

From the department of truly awesome achievements comes this photograph, taken in February 1984, of astronaut Bruce McCandless floating 320 feet from the space shuttle Challenger during the first-ever untethered space walk using a jet-propelled backpack. 

[NASA photo via Design You Trust]