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Launch SuccessfulNorthrop Grumman Space Systems
Minotaur IV: NROL-174
Classified payload for the U.S. National Reconnaissance Office.
Wednesday, 16 April 202519:33 UTC

Mission Data

πΊπΈNorthrop Grumman Space SystemsEst. 2015
Launch VehicleMinotaur IV
Vehicle FamilyMinotaur
Vehicle Record5 of 5 launches (100%)
Provider TypeCommercial
Agency Record17 successes / 0 failures (100%)
Success Streak17 consecutive
Mission TypeGovernment/Top Secret
Target OrbitLow Earth Orbit
Launch PadSpace Launch Complex 8
LocationπΊπΈ Vandenberg SFB, CA, USA USA
Orbital Launches This Year#79
Agency Launches This Year#1
Launches From This Pad10
Launches From This Site923
Status Note
The launch vehicle successfully inserted its payload(s) into the target orbit(s).
About 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.
Launch updates
Launch success
Source βApparent liftoff
Source βTweaked T-0.
Source βGO for launch.
Source βNET April 16.
Source βAdded launch.
Source β
Launch Site
Space Launch Complex 8 Β· 34.5763Β°N 120.6325Β°W
Launch data from Launch Library 2 by The Space Devs.