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The 20th Space Surveillance Squadron (20 SPSS) is a Space Delta 2 unit located at
Eglin Air Force Base Eglin Air Force Base is a United States Air Force (USAF) base in the western Florida panhandle, located about southwest of Valparaiso, Florida, Valparaiso in Okaloosa County, Florida, Okaloosa County. The host unit at Eglin is the 96th Test ...
, Florida with the mission to execute multiplatform, tactical space warfighting domain characterization, recognition, and responsiveness to achieve 21st Space Wing and United States Space Command intent. The unit, formerly designated the 20th Space Control Squadron (20 SPCS), was renamed on 25 March 2022.


History

Eglin AFB Site C-6's squadron of the 9th Aerospace Defense Division activated in September 1968. and was turned over to
Air Force Systems Command The Air Force Systems Command (AFSC) is an inactive United States Air Force Major Command. It was established in April 1951, being split off from Air Materiel Command. The mission of AFSC was Research and Development for new weapons systems. AFS ...
on 20 September 1968, and became operational in December 1968. Eglin Site C-6 was assigned to
Aerospace Defense Command Aerospace Defense Command was a major command of the United States Air Force, responsible for air defense of the continental United States. It was activated in 1968 and disbanded in 1980. Its predecessor, Air Defense Command, was establishe ...
on 20 December 1968. In 1972 20% of the site's "surveillance capability…became dedicated to search for SLBMs" and was subsequently renamed the 20th Missile Warning Squadron (the USAF SLBM Phased Array Radar System was initiated in November 1972 by the JCS while the Army's MSR and PAR phased arrays for missile defense were under construction.) The AN/FPS-85 facility was expanded in 1974, and "a scanning program to detect" SLBM warheads was installed in 1975. Alaska's AN/FPS-108
Cobra Dane The AN/FPS-108 COBRA DANE is a PESA phased array radar installation operated by Raytheon for the United States Space Force (originally for the United States Air Force) at Eareckson Air Station on the island of Shemya, Aleutian Islands, Alaska. ...
phased array site was completed in 1976 and from 1979 until 1983, Site C-6 was assigned to
Strategic Air Command Strategic Air Command (SAC) was a United States Department of Defense Specified Command and a United States Air Force (USAF) Major Command responsible for command and control of the strategic bomber and intercontinental ballistic missile compon ...
's Directorate of Space and Missile Warning Systems (SAC/SX)--as were the new
PAVE PAWS PAVE PAWS (PAVE Phased Array Warning System) is a complex Cold War early warning radar and computer system developed in 1980 to "detect and characterize a sea-launched ballistic missile attack against the United States". The first solid-state ...
phased array sites operational in 1980. On 25 March 2022, the squadron was renamed the 20th Space Surveillance Squadron (20 SPSS) in a ceremony officiated by the Space Delta 2 Commander, Colonel Mark Brock.


Space Command

In 1983 Eglin Site C-6 transferred to Space Command (later renamed
Air Force Space Command An atmosphere () is a layer of gases that envelop an astronomical object, held in place by the gravity of the object. A planet retains an atmosphere when the gravity is great and the temperature of the atmosphere is low. A stellar atmosphere ...
), and the "FPS-85 assumed a deep space role in November 1988 after receiving a range-extension upgrade enabling integration of many pulses." With the addition of additional missile warning sites becoming active, the squadron eliminated its missile warning mission, and the surveillance squadron name was restored in 1987. The unit was renamed the 20th Space surveillance squadron when a "new radar control computer" was installed at the site in 1994. By 1998, the site was providing space surveillance on "38 percent of the near-earth catalogue" of space objects ( ESC's "SND C2 SPO was the System Program Office.) "A complete modernization…of the 1960s signal-processing system was being studied in 1999", and in 2002 Site C-6 was tracking "over 95 percent of all earth satellites daily." The squadron was renamed the 20th Space Control Squadron in February 2003. In 2004, significant components of Naval Space Command were transferred to the 20th Space Control Squadron, including components of the former Naval Space Surveillance System (renamed the Air Force Space Surveillance System). By 2011 the site's "16 million observations of satellites per year" (rate of 30.4/minute) was "30 percent of the space surveillance network's total workload".


United States Space Force

In September 2020, the 20 SPCS joined the newly created United States Space Force.


GEODSS

In 2016, the 20th Space Control Squadron acquired the three Ground-based Electro-Optical Deep Space Surveillance (GEODSS) sites. GEODSS is an optical system that uses
telescope A telescope is a device used to observe distant objects by their emission, Absorption (electromagnetic radiation), absorption, or Reflection (physics), reflection of electromagnetic radiation. Originally, it was an optical instrument using len ...
s, low-light level TV cameras, and computers. It replaced an older system of six 20 inch (half meter) Baker-Nunn cameras which used
photographic film Photographic film is a strip or sheet of transparent film base coated on one side with a gelatin photographic emulsion, emulsion containing microscopically small light-sensitive silver halide crystals. The sizes and other characteristics of the ...
. There are three operational GEODSS sites that fall under the 20th Space Control Squadron: * Detachment 1
Socorro, New Mexico Socorro (, ''Help:Pronunciation respelling key, sə-KOR-oh'') is a city in Socorro County, New Mexico, Socorro County in the U.S. state of New Mexico. It is in the Middle Rio Grande Valley AVA, Rio Grande Valley at an elevation of . At the 2020 ...
33°49′02″N 106°39′36″W / 33.8172°N 106.6599°W / 33.8172; -106.6599 * Detachment 2
Diego Garcia Diego Garcia is the largest island of the Chagos Archipelago. It has been used as a joint UK–U.S. military base since the 1970s, following the expulsion of the Chagossians by the UK government. The Chagos Islands are set to become a former B ...
,
British Indian Ocean Territory The British Indian Ocean Territory (BIOT) is an British Overseas Territories, Overseas Territory of the United Kingdom situated in the Indian Ocean, halfway between Tanzania and Indonesia. The territory comprises the seven atolls of the Chago ...
7°24′42″S 72°27′08″E / 7.41173°S 72.45222°E / -7.41173; 72.45222. * Detachment 3
AMOS Amos or AMOS may refer to: Arts and entertainment * ''Amos'' (album), an album by Michael Ray * Amos (band), an American Christian rock band * ''Amos'' (film), a 1985 American made-for-television drama film * Amos (guitar), a 1958 Gibson Fl ...
,
Maui, Hawaii Maui (; Hawaiian language, Hawaiian: ) is the second largest island in the Hawaiian archipelago, at 727.2 square miles (1,883 km2). It is the List of islands of the United States by area, 17th-largest in the United States. Maui is one of ...
20°42′32″N 156°15′28″W / 20.7088°N 156.2578°W / 20.7088; -156.2578 GEODSS tracks objects in deep space, or from about out to beyond
geosynchronous A geosynchronous orbit (sometimes abbreviated GSO) is an Earth-centered orbit with an orbital period that matches Earth's rotation on its axis, 23 hours, 56 minutes, and 4 seconds (one sidereal day). The synchronization of rotation and orbital ...
altitudes. GEODSS requires nighttime and clear weather tracking because of the inherent limitations of an optical system. Each site has three telescopes. The telescopes have a aperture and a two-degree field of view. The telescopes are able to "see" objects 10,000 times dimmer than the human eye can detect. This sensitivity, and sky background during daytime that masks satellites reflected light, dictates that the system operate at night. As with any ground-based optical system, cloud cover and local weather conditions directly influence its effectiveness. GEODSS system can track objects as small as a basketball more than in space or a chair at , and is a vital part of Space Command's Space Surveillance Network. Each GEODSS site tracks approximately 3,000 objects per night out of 9,900 object that are regularly tracked and accounted for. Objects crossing the International Space Station (ISS) orbit within will cause the ISS to adjust their orbit to avoid collision. The oldest object tracked is Object #5 (
Vanguard 1 Vanguard 1 (Harvard designation: 1958-Beta 2, COSPAR ID: 1958-002B ) is an American satellite that was the fourth artificial Earth-orbiting satellite to be successfully launched, following Sputnik 1 Sputnik 1 (, , ''Satellite 1''), ...
) launched in 1958.


List of commanders

*Lt Col James J. Hogan *Lt Col Shane M. Connary *Lt Col G. McCann *Lt Col Thomas G. Falzarano, July 2008 – June 2010 *Lt Col George Tromba, June 2010 – June 2012 *Lt Col Mitch Katosic, June 2012 – June 2014 *Lt Col Mafwa Kuvibidila, June 2014 – June 2016 *Lt Col Raj Agrawal, June 2016 – 26 June 2018 *Lt Col David Tipton, 26 June 2018 – 16 July 2020 *Lt Col Alfred Maynard, 16 July 2020 – June 2022 *Lt Col David Tipton, 26 June 2018 – 16 July 2020 *Lt Col Richard Fancher, June 2022 – July 2024 *Lt Col Derek Haun, July 2024 – present


Decorations

*
Air Force Outstanding Unit Award The Air and Space Outstanding Unit Award (ASOUA) is one of the unit awards of the United States Air Force and United States Space Force. It was established in 1954 as the Air Force Outstanding Unit Award and was the first independent Air Force ...
**1 January 2000 – 31 August 2001 **1 January 1999 – 31 December 1999 **1 January 1998 – 31 December 1998 **1 October 1997 – 30 September 1999 **1 October 1995 – 30 September 1997 **1 September 1991 – 31 August 1993 **1 September 1990 – 31 August 1991 **1 September 1988 – 31 August 1990AFSPC Special Order GA-45, 1990


See also

* No. 1 Remote Sensor Unit RAAF


References

{{USAF Space Command Squadrons of the United States Space Force Military units and formations in Florida