Minotaur IV
USA Wikipedia 
Built & Operated By
Orbital ATK
Commercial · founded 2015
Family
Minotaur
also Peacekeeper SLV
Maiden Flight
26 SEP 2010
About
The Minotaur IV launch system is derived from the Peacekeeper ICBM. The first three stages are taken directly from decommissioned Peacekeeper missiles. A fourth stage, the Orion-38, is taken from the Pegasus family of air-launched rockets.
Vehicle Specifications
Height
23.9 m
Diameter
2.35 m
Launch Mass
86 T
Thrust
2,200 kN
Stages
4
Configuration
Expendable
Launch Record
Total Launches
4
Successful
4
Failed
0
Consecutive
4
Upcoming
2
Performance
To LEO
1,735 kg
Apogee
500 km