Delta IV Heavy

Active Delta

United Launch Alliance (ULA)

Dec. 21, 2004

Description

The Delta IV Heavy (Delta 9250H) is an expendable heavy-lift launch vehicle, the largest type of the Delta IV family, and is the world's second highest-capacity rocket in operation. It is manufactured by United Launch Alliance and was first launched in 2004.

Specifications
  • Stages
    2
  • Length
    72.0 m
  • Diameter
    5.0 m
  • Fairing Diameter
    ―
  • Launch Mass
    733 T
  • Thrust
    8674 kN
  • Apogee (Sub-Orbital)
    40000 km
Family
  • Name
    Delta IV Heavy
  • Family
    Delta
  • Variant
    Heavy
  • Alias
    ―
  • Full Name
    Delta IV Heavy
Payload Capacity
  • Launch Cost
    $350000000
  • Low Earth Orbit
    28370 kg
  • Geostationary Transfer Orbit
    14210 kg
  • Direct Geostationary
    14500 kg
  • Sun-Synchronous Capacity
    ―

United Launch Alliance

Commercial
CEO: Tory Bruno
ULA 2006

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.

Upcoming Spaceflights

Delta IV Heavy | NROL-68

United Launch Alliance | USA
Cape Canaveral, FL, USA
TBD March, 2023
Status: To Be Determined
Mission:

Classified payload for the National Reconnaissance Office.

Unknown
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Delta IV Heavy | NROL-70

United Launch Alliance | USA
Cape Canaveral, FL, USA
TBD January, 2024
Status: To Be Determined
Unknown Mission

There are no mission or payload details available for this launch.

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Previous Flights

flew on 14 previous launch(es).

Delta IV Heavy | NROL-91

United Launch Alliance | USA
Vandenberg SFB, CA, USA
Sept. 24, 2022, 10:25 p.m.
Status: Launch Successful
Mission:

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

Unknown
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Delta IV Heavy | NROL-82

United Launch Alliance | USA
Vandenberg SFB, CA, USA
April 26, 2021, 8:47 p.m.
Status: Launch Successful
Mission: Government/Top Secret

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

Sun-Synchronous Orbit
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Delta IV Heavy | NROL-44

United Launch Alliance | USA
Cape Canaveral, FL, USA
Dec. 11, 2020, 1:09 a.m.
Status: Launch Successful
Mission: Government/Top Secret

Classified payload for NRO.

Low Earth Orbit #NROL44
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Delta IV Heavy | NROL-71

United Launch Alliance | USA
Vandenberg SFB, CA, USA
Jan. 19, 2019, 7:10 p.m.
Status: Launch Successful
Mission: Government/Top Secret

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

Low Earth Orbit #NROL71
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Delta IV Heavy | Parker Solar Probe

United Launch Alliance | USA
Cape Canaveral, FL, USA
Aug. 12, 2018, 7:31 a.m.
Status: Launch Successful
Mission: Heliophysics

Flying into the Sun’s atmosphere (or corona) for the first time. Coming closer to the Sun than any previous spacecraft, Parker Solar Probe will employ a combination of in situ measurements and imaging to achieve the mission’s primary scientific goal: to understand how the Sun’s corona is heated and how the solar wind is accelerated.

Heliocentric N/A #SolarProbe
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Delta IV Heavy | NROL-37

United Launch Alliance | USA
Cape Canaveral, FL, USA
June 11, 2016, 5:51 p.m.
Status: Launch Successful
Mission: Government/Top Secret

Classified payload for the National Reconnaissance Office.

Geostationary Transfer Orbit
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Delta IV Heavy | EFT-1

United Launch Alliance | USA
Cape Canaveral, FL, USA
Dec. 5, 2014, 12:05 p.m.
Status: Launch Successful
Mission: Test Flight

Exploration Flight Test-1 was the first test flight of the Orion Multi-Purpose Crew Vehicle. The spacecraft was flown on a Delta IV Heavy to orbit, intending to test systems in preparation for future flights.

Low Earth Orbit
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Delta IV Heavy | NROL-65 (USA-245 / KH-11)

United Launch Alliance | USA
Vandenberg SFB, CA, USA
Aug. 28, 2013, 6:03 p.m.
Status: Launch Successful
Mission: Government/Top Secret

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

Low Earth Orbit
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Delta IV Heavy | NROL-15 (Mentor) (USA-237)

United Launch Alliance | USA
Cape Canaveral, FL, USA
June 29, 2012, 1:15 p.m.
Status: Launch Successful
Unknown Mission

There are no mission or payload details available for this launch.

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Delta IV Heavy | NROL-49 (KH-11) (USA-224)

United Launch Alliance | USA
Vandenberg SFB, CA, USA
Jan. 20, 2011, 9:10 p.m.
Status: Launch Successful
Unknown Mission

There are no mission or payload details available for this launch.

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Delta IV Heavy | NROL-32 (Mentor (USA-223))

United Launch Alliance | USA
Cape Canaveral, FL, USA
Nov. 21, 2010, 10:58 p.m.
Status: Launch Successful
Unknown Mission

There are no mission or payload details available for this launch.

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Delta IV Heavy | NROL-26 (USA-202)

United Launch Alliance | USA
Cape Canaveral, FL, USA
Jan. 18, 2009, 2:47 a.m.
Status: Launch Successful
Mission: Government/Top Secret

A military reconnaissance satellite, it's purpose is classified.

Geostationary Transfer Orbit
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Delta IV Heavy | DSP-23

United Launch Alliance | USA
Cape Canaveral, FL, USA
Nov. 11, 2007, 1:50 a.m.
Status: Launch Successful
Mission: Government/Top Secret

Part of the USAF Defence Support Program (DSP), which forms the principal component of the Satellite Early Warning System, used by the USA.

Geostationary Transfer Orbit
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Delta IV Heavy | Demosat and 3CS-1 & 2

United Launch Alliance | USA
Cape Canaveral, FL, USA
Dec. 21, 2004, 9:50 p.m.
Status: Launch was a Partial Failure
Unknown Mission

There are no mission or payload details available for this launch.

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