Army Ballistic Missile AgencyJuno IILaunch Complex 26B, Cape Canaveral SFS, FL, USA
Juno II | S-45A
Launch window
No countdown — this launch time is not yet known to the minute.May 24, 1961Add to calendar
Launch FailureWeather 0% go
Army Ballistic Missile Agency's 12th launch · 3rd this year · humanity's 109th orbital launch attempt
Either the launch vehicle did not reach orbit, or the payload(s) failed to separate.
Window: May 24, 19:48 – May 24, 19:48 UTC
Flight preview
Explorer S-45A
Explorer S-45A was a second attempt at NASA's S-45 ionosphere beacon satellite, intended for a highly elliptical orbit. The Juno II's second-stage ignition system failed and the payload was lost.
Earth Science · High Earth Orbit (HEO)
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