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
    $$350M
  • 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-82

United Launch Alliance | USA
Vandenberg AFB, CA, USA
April 30, 2021, midnight
Status: To Be Determined
Mission: Government/Top Secret

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


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Delta IV Heavy | NROL-91

United Launch Alliance | USA
Vandenberg AFB, CA, USA
July 1, 2022, midnight
Status: To Be Determined
Unknown Mission

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


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Delta IV Heavy | NROL-68

United Launch Alliance | USA
Cape Canaveral, FL, USA
Jan. 1, 2023, midnight
Status: To Be Determined
Unknown Mission

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


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Delta IV Heavy | NROL-70

United Launch Alliance | USA
Cape Canaveral, FL, USA
Jan. 1, 2024, midnight
Status: To Be Determined
Unknown Mission

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


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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 AFB, 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
Unknown Mission

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


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

United Launch Alliance | USA
Vandenberg AFB, 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 AFB, 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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Falcon 9 Block 5
Success
3 days, 3 hours ago
Starlink 17
Launch Complex 39A - Kennedy Space Center, FL, USA

A batch of 60 satellites for Starlink mega-constellation - SpaceX's project for space-based Internet communication system.


Starship Prototype
Success
3 days, 12 hours ago
10 km Flight
Launch Pad A - SpaceX Space Launch Facility, TX, USA

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Soyuz 2.1b/Fregat-M
Success
1 week ago
Arktika-M No.1
31/6 - Baikonur Cosmodrome, Republic of Kazakhstan

Arktika-M ("Arctic-M") is a series of Earh observation satellites which will gather meteorological and hydrological data on polar region. Arktika-M s…


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1 week ago
Amazonia & 18 others
Satish Dhawan Space Centre First Launch Pad - Sriharikota, Republic of India

Amazonia 1 is a Brazilian optical Earth observation satellite of the National Institute for Space Research (INPE). This satellite will further streng…


Long March 4C
Success
1 week, 4 days ago
Long March 4C
Jiuquan, People's Republic of China