Delta IV Heavy | NROL-91

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.

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NROL-91

Classified payload for the US National Reconnaissance Office (NRO).

info More Information

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


Wiki

Updates

Cosmic_Penguin

2022-09-25T00:53:05+0000

Launch success

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Jay

2022-09-24T22:25:48+0000

Liftoff of the final Delta IV Heavy from Vandenberg Space Force Base.

Source

Jay

2022-09-24T21:37:50+0000

New T-0 of 22:25:30 UTC

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Jay

2022-09-24T21:34:56+0000

Weather 70% GO

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Jay

2022-09-24T21:32:32+0000

Webcast live

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SwGustav

2022-09-22T09:35:49+0000

Updating weather

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Cosmic_Penguin

2022-09-16T23:21:53+0000

Refined T-0

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Cosmic_Penguin

2022-09-09T16:03:03+0000

Adding launch window

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Cosmic_Penguin

2022-08-24T17:59:46+0000

Adding launch date

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JRascagneres

2021-09-07T19:49:11+0000

Pushing to Aug 1

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2022-09-30T11:00:59+0000

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