Astronaut Donald Kent “Deke” Slayton
Recounts 1951 UFO Encounter
Slayton sighted the UFO during a fighter jet (F-51 Mustang) test flight:
http://www.youtube.com/watch?v=4E_SFwrh8wo
The UFO incident occurred on 12
December 1951, according to NICAP.org.
“Donald K. “Deke” Slayton” (NASA History Program Office):
http://history.nasa.gov/40thmerc7/slayton.htm
The late Major Donald Kent “Deke” Slayton (U.S. Air Force),
Aeronautical Engineer, Test Pilot & NASA Astronaut