United States Air ForceThor Delta BSpace Launch Complex 17B, Cape Canaveral SFS, FL, USA
Thor Delta B | Relay 2
Launch window
No countdown — this launch time is not yet known to the minute.January 21, 1964Add to calendar
Launch Successful
United States Air Force's 178th launch · 3rd this year · humanity's 296th orbital launch attempt
The launch vehicle successfully inserted its payload(s) into the target orbit(s).
Window: Jan 21, 21:14 – Jan 21, 21:14 UTC
Flight preview
Relay 2
Relay 2, although principally a communications satellite, carried particle experiments designed to map the trapped radiation belt.
Communications · Elliptical Orbit (Elliptical)
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