Delta 3914
USA Wikipedia 
Built & Operated By
McDonnell Douglas
Commercial
Family
Delta
variant 3914
Maiden Flight
13 DEC 1975
About
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.
Vehicle Specifications
Height
35 m
Diameter
2.44 m
Launch Mass
185 T
Thrust
3,046 kN
Stages
4
Configuration
Expendable
Launch Record
Total Launches
12
Successful
10
Failed
2
Performance
To LEO
951 kg
To GTO
954 kg