NROL-129
Minotaur IV
Northrop Grumman Space Systems
Mission
NROL-129
Type: Government/Top Secret
Classified payload for the U.S. National Reconnaissance Office.
Trajectory
The trajectory is unavailable. Check back for updates.

Location
Launch Area 0 B
Wallops Island, Virginia, USA
75 rockets have launched from Wallops Island, Virginia, USA.

Rocket
Minotaur IV – Orbital ATK
- 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 . 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.
Agency
Northrop Grumman Space Systems – NGSS
- Type: Commercial
- Abbreviation: NGSS
- Administration: CEO: Kathy Warden
- Founded: 2015
- Launchers: Antares | Minotaur | Pegasus
- Spacecraft: Cygnus
- Country: USA
Northrup Grumman Space Systems designs, builds and delivers space, defence and aviation-related systems to customers around the world. They aquired Orbital ATK in 2018 along with its launchers and ongoing missions.