Minotaur IV | NROL-129

Northrop Grumman Innovation Systems launch of a Minotaur IV Rocket

Launch Status

Northrop Grumman Innovation Systems was scheduled to launch a Minotaur IV rocket as part of the NROL-129 mission. The launch window for the Government/Top Secret mission was on Wed, Jul 15th, 2020, 9:46 AM EDT from Launch Area 0 B, Wallops Island, Virginia. The status of the launch was Success with a 95% chance for favorable weather conditions. Don’t miss this exciting rocket launch! Watch the launch video of the Minotaur IV and experience the excitement for yourself.



Classified payload for the U.S. National Reconnaissance Office.


Launch Area 0 B, Wallops Island, Virginia

Wallops Island, Virginia, USA
National Aeronautics and Space Administration


Minotaur IV

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.

Orbital ATK

Orbital ATK Inc. is an American aerospace manufacturer and defense industry company. It was formed in 2015 from the merger of Orbital Sciences Corporation and parts of Alliant Techsystems. Orbital ATK designs, builds and delivers space, defense and aviation-related systems to customers around the world both as a prime contractor and as a merchant supplier. Antares launches from Wallops in Virginia. Minotaur has many launch sites, with the most active now being Cape Canaveral and Vandenberg. Pegasus is an air launched vehicle from an aircraft and so has many launch locations.