Delta IV Heavy | NROL-91
Space Launch Complex 6
Vandenberg SFB, CA, USA
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United Launch Alliance
United Launch Alliance (ULA) is a joint venture of Lockheed Martin Space Systems and Boeing Defense, Space & Security. ULA was formed in December 2006 by combining the teams at these companies which provide spacecraft launch services to the government of the United States. ULA launches from both coasts of the US. They launch their Atlas V vehicle from LC-41 in Cape Canaveral and LC-3E at Vandeberg. Their Delta IV launches from LC-37 at Cape Canaveral and LC-6 at Vandenberg.
Delta IV Heavy
Height 72.00 Meters
Max Stages 2
Mass To GTO 14210 kg
Liftoff Thrust 8674 kN
Diameter 5.00 Meters
Mass To LEO 28370 kg
Liftoff Mass 733 Tonnes
Launch Success 15
Consecutive Success 15
Maiden Flight 2004-12-21
Launch Failures 1
Updates
Cosmic_Penguin
2022-09-25T00:53:05+0000
Launch success
Jay
2022-09-24T22:25:48+0000
Liftoff of the final Delta IV Heavy from Vandenberg Space Force Base.
Jay
2022-09-24T21:37:50+0000
New T-0 of 22:25:30 UTC
Jay
2022-09-24T21:34:56+0000
Weather 70% GO
Jay
2022-09-24T21:32:32+0000
Webcast live
SwGustav
2022-09-22T09:35:49+0000
Updating weather
Cosmic_Penguin
2022-09-16T23:21:53+0000
Refined T-0
Cosmic_Penguin
2022-09-09T16:03:03+0000
Adding launch window
Cosmic_Penguin
2022-08-24T17:59:46+0000
Adding launch date
JRascagneres
2021-09-07T19:49:11+0000
Pushing to Aug 1
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