Ron McNair Signed Challenger STS-41-B First Day Cover - NASA - Signed by 5

Description

Uncommon commemorative envelope signed by all five crewmembers of Challenger STS-41-B, postmarked on the day their mission launched.  The envelope has been signed:
"
Vance Brand", "Robert L. Gibson", "Bruce McCandless", "Ron McNair"
and
"Bob Stewart"
.
Postmarked February 3, 1984, 20-cent hot air balloon stamp affixed.  Commemorative Challenger stamp on left side and printed:  "Philatelic Service Provided By Johnson Space Center Stamp Club".
The Feb. 3-11, 1984 mission included the first untethered space walk by Mission Specialist Buce McCandless II (1937-2017) and a docking with the Russian spacecraft
Soyuz-T10
on Feb. 9.  Vance Brand (b.1931) was the Commander and Robert L. "Hoot" Gibson (b.1946) was the pilot. This was the first shuttle mission to land in Florida. It was the first space flight for mission specialists Robert L. "Bob" Stewart (b.1942) and Ronald E. McNair (1950-1986, born in Lake City, South Carolina) and the last successful flight for McNair. McNair's next assignment was aboard
Challenger
51-L, which exploded 73 seconds after launching on January 28, 1986.
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