- Family: Minotaur
- Length: 23.9 m
- Diameter: 2.35 m
- Launch Mass: 86 T
- Low Earth Orbit Capacity: 1735 kg
The Minotaur IV was manufactured by Orbital ATK with the first launch on 2010-09-26. Minotaur IV has 3 successful launches and 0 failed launches with a total of 3 launches. 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.