Can you imagine floating in space without a tether?
In 1984, NASA astronaut Bruce McCandless II did just that, using a jetpack prototype to perform the first untethered space flight in history. 
Photo of the First Untethered Space Flight
via Twisted Sifter

Can you imagine floating in space without a tether?

In 1984, NASA astronaut Bruce McCandless II did just that, using a jetpack prototype to perform the first untethered space flight in history. 

Photo of the First Untethered Space Flight

via Twisted Sifter

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    Scary.
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