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Launch FailureUnited States Air Force
Delta 3914: OTS 1
Experimental communications satellite developed by ESRO and operated by ESA
Tuesday, 13 September 1977
Mission Data
🇺🇸United States Air ForceEst. 1947
Launch VehicleDelta 3914
Vehicle FamilyDelta
Vehicle Record10 of 12 launches (83.3%)
Provider TypeGovernment
Agency Record972 successes / 106 failures (90%)
Success Streak68 consecutive
Mission TypeCommunications
Target OrbitGeostationary Orbit
Launch PadSpace Launch Complex 17A
Location🇺🇸 Cape Canaveral SFS, FL, USA USA
Orbital Launches This Year#91
Agency Launches This Year#16
Launches From This Pad145
Launches From This Site1,132
Status Note
Either the launch vehicle did not reach orbit, or the payload(s) failed to separate.
About Delta 3914
The Delta 3000 series was an American expendable launch system which was used to conduct 38 orbital launches between 1975 and 1989. It was a member of the Delta family of rockets. Several variants existed, which were differentiated by a four digit numerical code.
Launch Site
Space Launch Complex 17A · 28.4472°N 80.5650°W
Launch data from Launch Library 2 by The Space Devs.