KH-9 Hexagon (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "KH-9 Hexagon" in English language version.

refsWebsite

Global rank English rank

28nasa.gov

75^th place

83^rd place

8web.archive.org

1^st place

7nro.gov

low place

2dtic.mil

833^rd place

567^th place

1youtube.com

9^th place

13^th place

1ghostarchive.org

32^nd place

21^st place

1hexagonkh9.com

low place

1fas.org

505^th place

410^th place

1space.com

936^th place

713^th place

1seattlepi.com

1,215^th place

726^th place

1foxnews.com

152^nd place

120^th place

1cia.gov

89^th place

147^th place

1governmentattic.org

7,676^th place

4,184^th place

1archives.gov

446^th place

308^th place

1spaceref.com

8,446^th place

6,634^th place

1scientificamerican.com

896^th place

674^th place

1harvard.edu

18^th place

17^th place

1thespacereview.com

9,535^th place

6,953^rd place

1skyrocket.de

4,664^th place

3,842^nd place

1qz.com

1,110^th place

695^th place

archives.gov

"National Archives Releases Recently Declassified Satellite Imagery". National Archives and Records Administration press release. 9 October 2002. This article incorporates text from this source, which is in the public domain.

cia.gov

Walthrop, David (28 May 2013). "An Underwater Ice Station Zebra: Recovering a Secret Spy Satellite Capsule from 16,400 feet Below the Pacific Ocean" (PDF). CIA (Historical Collection Publications). Archived from the original (PDF) on 28 October 2013. Retrieved 29 June 2013. This article incorporates text from this source, which is in the public domain.

dtic.mil

oai.dtic.mil

James N. Bass; Krishin H. Bhavnani; Isabel M. Hussey (1 April 1975). "Atmospheric Density Determination from Analysis of Doppler Beacon Satellite Data". Air Force Cambridge Research Labs, Hanscom AFB. Archived from the original on 17 July 2011. Retrieved 16 January 2011. This article incorporates text from this source, which is in the public domain.
Stern, Richard G. (5 August 2008). "Reentry Breakup and Survivability Characteristics of the Vehicle Atmospheric Survivability Project (VASP) Vehicles". dtic.mil. Archived from the original on 17 July 2011. Retrieved 13 February 2011. This article incorporates text from this source, which is in the public domain.

fas.org

"NRO Observes 50th Anniversary with Declassification".

foxnews.com

"Decades Later, a Cold War Secret Is Revealed". Fox News. Associated Press. 25 December 2011.

ghostarchive.org

"34D-9: Titan rocket with last KH-9 explodes after liftoff (18 April 1986) (F)". Archived from the original on 21 December 2021 – via YouTube.

governmentattic.org

Hall, R. Cargill (1988). "The Air Force and the National Security Space Program 1946 - 1988" (PDF). USAF Historical Research Center. This article incorporates text from this source, which is in the public domain.

harvard.edu

ui.adsabs.harvard.edu

K. S. W. Champion; J. M. Forves (1976). "Atmospheric drag analyses of low-altitude Doppler beacon satellites". Satellite Doppler Positioning. 1. New Mexico State University: 343. Bibcode:1976sdp..conf..343C.

hexagonkh9.com

Deutsch, Ricky (12 November 2020). "Controlling Hexagon". Retrieved 19 April 2022.

nasa.gov

nssdc.gsfc.nasa.gov

Barbara Pope (28 April 2006). "NIMS file by satellite name". NASA. This article incorporates text from this source, which is in the public domain.
"1972-052C". NASA. 8 October 2010. This article incorporates text from this source, which is in the public domain.
"1973-088B". NASA. 8 October 2010. This article incorporates text from this source, which is in the public domain.
"1974-020B". NASA. 8 October 2010. This article incorporates text from this source, which is in the public domain.
"1974-020C". NASA. 8 October 2010. This article incorporates text from this source, which is in the public domain.
"1974-085B". NASA. 8 October 2010. This article incorporates text from this source, which is in the public domain.
"1976-065B". NASA. 8 October 2010. This article incorporates text from this source, which is in the public domain.
"1976-065C". NASA. 8 October 2010. This article incorporates text from this source, which is in the public domain.
"1984-065C". NASA. 8 October 2010. This article incorporates text from this source, which is in the public domain.
"KH 9-01 1971-056A". NASA. 8 October 2010. This article incorporates text from this source, which is in the public domain.
"KH 9-02 1972-002A". NASA. 8 October 2010. This article incorporates text from this source, which is in the public domain.
"KH 9-03 1972-052A". NASA. 8 October 2010. This article incorporates text from this source, which is in the public domain.
"KH 9-04 1972-079A". NASA. 8 October 2010. This article incorporates text from this source, which is in the public domain.
"KH 9-05 1973-014 A". NASA. 8 October 2010. This article incorporates text from this source, which is in the public domain.
"KH 9-06 1973-046A". NASA. 8 October 2010. This article incorporates text from this source, which is in the public domain.
"KH 9-07 1973-088A". NASA. 8 October 2010. This article incorporates text from this source, which is in the public domain.
"KH 9-08 1974-020A". NASA. 8 October 2010. This article incorporates text from this source, which is in the public domain.
"KH 9-09 1974-085A". NASA. 8 October 2010. This article incorporates text from this source, which is in the public domain.
"KH 9-10 1975-051A". NASA. 8 October 2010. This article incorporates text from this source, which is in the public domain.
"KH 9-11 1975-114A". NASA. 8 October 2010. This article incorporates text from this source, which is in the public domain.
"KH 9-12 1976-065A". NASA. 8 October 2010. This article incorporates text from this source, which is in the public domain.
"KH 9-13 1977-056A". NASA. 8 October 2010. This article incorporates text from this source, which is in the public domain.
"KH 9-14 1978-029A". NASA. 8 October 2010. This article incorporates text from this source, which is in the public domain.
"KH 9-15 1979-025A". NASA. 8 October 2010. This article incorporates text from this source, which is in the public domain.
"KH 9-16 1980-052A". NASA. 8 October 2010. This article incorporates text from this source, which is in the public domain.
"KH 9-17 1982-041A". NASA. 8 October 2010. This article incorporates text from this source, which is in the public domain.
"KH 9-18 1983-060A". NASA. 8 October 2010. This article incorporates text from this source, which is in the public domain.
"1984-065A 1984-065A". NASA. 8 October 2010. This article incorporates text from this source, which is in the public domain.

nro.gov

Gerald K. Haines (1997). "Critical to US Security: the development of the GAMBIT and HEXAGON satellite reconnaissance system". National Reconnaissance Office (NRO). Archived from the original on 15 September 2012. Retrieved 24 September 2011. This article incorporates text from this source, which is in the public domain.
"Assessment of Intelligence Gain Provided by KH-9 over KH-4 and KH-8" (PDF). NRO. Retrieved 7 January 2023. This article incorporates text from this source, which is in the public domain.
"The HEXAGON story" (PDF). National Reconnaissance Office (NRO). 1988. Archived from the original (PDF) on 16 September 2012. Retrieved 6 October 2011. This article incorporates text from this source, which is in the public domain.
Burnett, M.G. (1 December 1982). "Hexagon (KH-9) Mapping Camera Program and Evolution" (PDF). NRO. Retrieved 12 May 2021.
Richard J. Chester (1985). "A history of the HEXAGON program". National Reconnaissance Office (NRO). Archived from the original on 15 September 2012. Retrieved 24 September 2011. This article incorporates text from this source, which is in the public domain.
"NRO's Review & Redaction Guide (RRG), Version 2, 2012" (PDF). NRO. Retrieved 7 January 2023. This article incorporates text from this source, which is in the public domain.
Scott F. Large (9 October 2002). "National Reconnaissance Office Review and Redaction Guide: Version 1.0 2008 Edition". NRO. Archived from the original on 6 May 2009. This article incorporates text from this source, which is in the public domain.

qz.com

Passant Rabie / Gizmodo (1 May 2024). "A satellite that was lost in space for 25 years has finally been found". Qz.com. Retrieved 5 May 2024.

scientificamerican.com

Harvey, Chelsea (20 June 2019). "Cold War Spy Satellites Reveal Substantial Himalayan Glacier Melt". Scientific American. Retrieved 20 June 2019.

seattlepi.com

Cohen, Aubrey, "Three former spy satellites go on display" Seattle Post-Intelligencer 26 January 2012

skyrocket.de

space.skyrocket.de

Krebs, Gunter Dirk. "IRCB (S73-7)". Gunter's Space Page. Retrieved 5 May 2024.

space.com

"Declassified US Spy Satellites Reveal Rare Look at Secret Cold War Space Program". Space.com. 18 September 2011.

spaceref.com

"NIMA Sponsors Historical Imagery Declassification Conference America's Eyes: What We Were Seeing". SpaceRef. 15 October 2002. Archived from the original on 14 May 2023. Retrieved 8 January 2018.

thespacereview.com

Day, Dwayne (27 April 2009). "Robotic ravens: American ferret satellite operations during the Cold War". thespacereview.com.

web.archive.org

Gerald K. Haines (1997). "Critical to US Security: the development of the GAMBIT and HEXAGON satellite reconnaissance system". National Reconnaissance Office (NRO). Archived from the original on 15 September 2012. Retrieved 24 September 2011. This article incorporates text from this source, which is in the public domain.
"The HEXAGON story" (PDF). National Reconnaissance Office (NRO). 1988. Archived from the original (PDF) on 16 September 2012. Retrieved 6 October 2011. This article incorporates text from this source, which is in the public domain.
Walthrop, David (28 May 2013). "An Underwater Ice Station Zebra: Recovering a Secret Spy Satellite Capsule from 16,400 feet Below the Pacific Ocean" (PDF). CIA (Historical Collection Publications). Archived from the original (PDF) on 28 October 2013. Retrieved 29 June 2013. This article incorporates text from this source, which is in the public domain.
Richard J. Chester (1985). "A history of the HEXAGON program". National Reconnaissance Office (NRO). Archived from the original on 15 September 2012. Retrieved 24 September 2011. This article incorporates text from this source, which is in the public domain.
"NIMA Sponsors Historical Imagery Declassification Conference America's Eyes: What We Were Seeing". SpaceRef. 15 October 2002. Archived from the original on 14 May 2023. Retrieved 8 January 2018.
James N. Bass; Krishin H. Bhavnani; Isabel M. Hussey (1 April 1975). "Atmospheric Density Determination from Analysis of Doppler Beacon Satellite Data". Air Force Cambridge Research Labs, Hanscom AFB. Archived from the original on 17 July 2011. Retrieved 16 January 2011. This article incorporates text from this source, which is in the public domain.
Scott F. Large (9 October 2002). "National Reconnaissance Office Review and Redaction Guide: Version 1.0 2008 Edition". NRO. Archived from the original on 6 May 2009. This article incorporates text from this source, which is in the public domain.
Stern, Richard G. (5 August 2008). "Reentry Breakup and Survivability Characteristics of the Vehicle Atmospheric Survivability Project (VASP) Vehicles". dtic.mil. Archived from the original on 17 July 2011. Retrieved 13 February 2011. This article incorporates text from this source, which is in the public domain.

youtube.com

"34D-9: Titan rocket with last KH-9 explodes after liftoff (18 April 1986) (F)". Archived from the original on 21 December 2021 – via YouTube.