Juno II
USA Wikipedia 
Built & Operated By
Army Ballistic Missile Agency
Government
Maiden Flight
6 DEC 1958
About
Juno II was an American space launch vehicle used during the late 1950s and early 1960s. It was derived from the Jupiter missile, which was used as the first stage.
Vehicle Specifications
Height
24 m
Diameter
2.67 m
Launch Mass
55 T
Thrust
654 kN
Stages
3–4
Configuration
Expendable
Launch Record
Total Launches
10
Successful
5
Failed
5
Performance
To LEO
41 kg