On this day (February 7) in 1984 — The first un-tethered space-walk is achieved by Captain Bruce McCandless.
McCandless and Robert L. Stewart performed 2 Spacewalks during this mission on the 7th and again on the 9th of February.
He flew as a mission specialist on STS-41-B and STS-31.
McCandless logged over 312 hours in space, including four hours of MMU flight time.[