Delta IV Heavy (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Delta IV Heavy" in English language version.

Last modified: 01:33:40, 26 July 2026 (UTC)

Ref.Un. Ref.Website

Global rank English rank

88web.archive.org

1^st place

88spaceflightnow.com

2,331^st place

1,828^th place

44ulalaunch.com

low place

9,648^th place

22arstechnica.com

473^rd place

338^th place

22space.com

862^nd place

703^rd place

21spaceflight101.com

low place

22nasa.gov

12^th place

73^rd place

11twitter.com

43^rd place

11nytimes.com

7^th place

11spacenews.com

1,465^th place

1,000^th place

11nextspaceflight.com

9,469^th place

5,293^rd place

11af.mil

414^th place

225^th place

11skyrocket.de

2,244^th place

1,901^st place

11spaceforce.mil

6,332^nd place

3,323^rd place

11nasaspaceflight.com

2,029^th place

1,519^th place

af.mil (Global: 414^th place; English: 225^th place)

afspc.af.mil

US Air Force - EELV Fact Sheets Archived April 27, 2014, at the Wayback Machine

arstechnica.com (Global: 473^rd place; English: 338^th place)

Clark, Stephen (March 27, 2024). "The Delta IV Heavy, a rocket whose time has come and gone, will fly once more". ars Technica. Retrieved November 9, 2024.
Berger, Eric (January 21, 2019). "This massive rocket creates a fireball as it launches, and that's by design". Ars Technica. Retrieved April 13, 2023.

nasa.gov (Global: 12^th place; English: 73^rd place)

blogs.nasa.gov

"Second Stage Ignites as First Stage Falls Away". December 5, 2014. Archived from the original on December 9, 2014. Retrieved December 5, 2014. This article incorporates text from this source, which is in the public domain.

nasa.gov

"NASA Orion Exploration Flight Test-1 PRESS KIT" (PDF). NASA. December 2014. p. 12. This article incorporates text from this source, which is in the public domain.

nasaspaceflight.com (Global: 2,029^th place; English: 1,519^th place)

Graham, William (April 9, 2024). "Delta IV Heavy launches on final mission". NASASpaceFlight.com. Retrieved September 28, 2024.

nextspaceflight.com (Global: 9,469^th place; English: 5,293^rd place)

"Delta IV Heavy - NROL-70". Next Spaceflight. February 9, 2024. Retrieved February 10, 2024.

nytimes.com (Global: 7^th place; English: 7^th place)

Chang, Kenneth (February 6, 2018). "Falcon Heavy, SpaceX's Big New Rocket, Succeeds in Its First Test Launch". The New York Times. Retrieved February 6, 2018. The Falcon Heavy is capable of lifting 140,000 pounds to low Earth orbit, more than any other rocket today.

skyrocket.de (Global: 2,244^th place; English: 1,901^st place)

space.skyrocket.de

Krebs, Gunter. "Delta-4". Gunter's Space Page. Retrieved March 15, 2018.

space.com (Global: 862^nd place; English: 703^rd place)

Howell, Elizabeth (April 20, 2018). "Delta IV Heavy: Powerful Launch Vehicle". Space.com. Retrieved July 21, 2018.
Robert Z. Pearlman (April 9, 2024). "'Heavy' history: ULA launches final Delta rocket after 64 years (video, photos)". Space.com. Retrieved April 11, 2024.

spaceflight101.com (Global: low place; English: low place)

"Delta IV Heavy". Spaceflight 101. Retrieved July 26, 2014.

spaceflightnow.com (Global: 2,331^st place; English: 1,828^th place)

"Mission Status Center". Spaceflight Now. Archived from the original on October 7, 2018. Retrieved July 26, 2014. The ULA Delta 4-Heavy is currently the world's largest rocket, providing the nation with reliable, proven, heavy lift capability for our country's national security payloads from both the east and west coasts.
"Delta 4-Heavy likely heading for geosynchronous orbit with top secret payload". Spaceflight Now. August 26, 2020. Retrieved August 27, 2020.
"Delta 4-Heavy investigation identifies rocket's problem". Spaceflight Now. March 16, 2005. Archived from the original on December 5, 2005. Retrieved July 26, 2014.
"ULA's Delta rocket assembly line falls silent". Spaceflight Now.
"Live coverage: Launch of Delta 4-Heavy rocket set for early Saturday". Spaceflight Now. August 29, 2020. Retrieved August 29, 2020.
Ray, Justin (December 7, 2004). "The Heavy: Triple-sized Delta 4 rocket to debut". Spaceflight Now. Archived from the original on December 11, 2004. Retrieved May 13, 2014.
"Launch Schedule". Spaceflight Now. October 27, 2020. Retrieved October 31, 2020.
Clark, Stephen (June 22, 2023). "Delta 4-Heavy rocket lifts off with NRO spy satellite". Spaceflight Now. Retrieved June 27, 2023.

spaceforce.mil (Global: 6,332^nd place; English: 3,323^rd place)

patrick.spaceforce.mil

"Launch Mission Execution Forecast". 45th Weather Squadron - Patrick Air Force Base. October 30, 2020. Retrieved October 31, 2020. This article incorporates text from this source, which is in the public domain.

spacenews.com (Global: 1,465^th place; English: 1,000^th place)

Erwin, Sandra (August 24, 2020). "ULA to launch Delta 4 Heavy for its 12th mission, four more to go before rocket is retired". SpaceNews. Retrieved August 29, 2020.

twitter.com (Global: 43^rd place; English: 43^rd place)

"ULA CEO Tory Bruno". twitter.com. Retrieved February 12, 2018. Delta IV Heavy goes for about US$350M. That's current and future, after the retirement of both Delta IV Medium and Delta II.

ulalaunch.com (Global: low place; English: 9,648^th place)

"Delta IV Payload Planner's Guide, June 2013" (PDF). United Launch Alliance. Archived from the original (PDF) on July 10, 2014. Retrieved July 26, 2014.
"Delta IV Parker Solar Probe". ulalaunch.com. Retrieved December 11, 2020.
"Vulcan Centaur Cutaway Poster" (PDF). ULA. Archived (PDF) from the original on December 22, 2022. Retrieved September 25, 2019.
"Delta IV Payload Planners Guide" (PDF). United Launch Alliance. September 2007. pp. 1–7. Archived from the original (PDF) on July 22, 2011.

web.archive.org (Global: 1^st place; English: 1^st place)

"Mission Status Center". Spaceflight Now. Archived from the original on October 7, 2018. Retrieved July 26, 2014. The ULA Delta 4-Heavy is currently the world's largest rocket, providing the nation with reliable, proven, heavy lift capability for our country's national security payloads from both the east and west coasts.
"Delta IV Payload Planner's Guide, June 2013" (PDF). United Launch Alliance. Archived from the original (PDF) on July 10, 2014. Retrieved July 26, 2014.
"Delta 4-Heavy investigation identifies rocket's problem". Spaceflight Now. March 16, 2005. Archived from the original on December 5, 2005. Retrieved July 26, 2014.
"Second Stage Ignites as First Stage Falls Away". December 5, 2014. Archived from the original on December 9, 2014. Retrieved December 5, 2014. This article incorporates text from this source, which is in the public domain.
"Vulcan Centaur Cutaway Poster" (PDF). ULA. Archived (PDF) from the original on December 22, 2022. Retrieved September 25, 2019.
Ray, Justin (December 7, 2004). "The Heavy: Triple-sized Delta 4 rocket to debut". Spaceflight Now. Archived from the original on December 11, 2004. Retrieved May 13, 2014.
"Delta IV Payload Planners Guide" (PDF). United Launch Alliance. September 2007. pp. 1–7. Archived from the original (PDF) on July 22, 2011.
US Air Force - EELV Fact Sheets Archived April 27, 2014, at the Wayback Machine

Delta IV Heavy (English Wikipedia)

af.mil (Global: 414th place; English: 225th place)

afspc.af.mil

arstechnica.com (Global: 473rd place; English: 338th place)

nasa.gov (Global: 12th place; English: 73rd place)

blogs.nasa.gov

nasa.gov

nasaspaceflight.com (Global: 2,029th place; English: 1,519th place)

nextspaceflight.com (Global: 9,469th place; English: 5,293rd place)

nytimes.com (Global: 7th place; English: 7th place)

skyrocket.de (Global: 2,244th place; English: 1,901st place)