Delta E
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April 1, 1971
ISIS-II
Delta E1 | US Air Force
Vandenberg SFB, California, USA
June 21, 1969
Explorer 41 (IMP-G)
Delta E1 | US Air Force
Vandenberg SFB, California, USA
Configurations
Retired
Delta E1
Active 1966 to 1971
Payload to Orbit
GTO: 205 kg
Stages
3
Strap-ons
3
Retired
Delta E
Active 1965 to 1967
Payload to Orbit
LEO: 735 kg
GTO: 150 kg
Stages
3
Strap-ons
3