Buckley Space Force Base is a United States Space Force base in Aurora, Colorado named after United States Army Air Service First Lieutenant John Harold Buckley. The base is run by Space Base Delta 2, with major units including the U.S. Space Force's Space Delta 4, the Colorado Air National Guard's 140th Wing, the Denver Naval Operations Support Center, and the National Reconnaissance Office's Aerospace Data Facility-Colorado.
Royal Air Force Feltwell or more simply RAF Feltwell is a Royal Air Force station in Norfolk, East Anglia that is used by the United States Air Forces in Europe – Air Forces Africa. The station is located about 10 miles west of Thetford, and is in the borough of King's Lynn and West Norfolk at approximate Ordnance Survey grid reference TL 715 900. The site served as a Second World War bomber station, but is now used as a support site for regional AAFES logistics and as a housing estate for United States Air Force personnel stationed nearby at RAF Lakenheath. It is under the administrative control of the 48th Fighter Wing.
The 2nd Navigation Warfare Squadron is a United States Space Force unit responsible for operating the Global Positioning System (GPS) satellite constellation, which provides global navigation, time transfer, and nuclear detonation detection. It is a component of Space Operations Command's Positioning, Navigation, and Timing Integrated Mission Delta (Provisional) and headquartered at Schriever Space Force Base, Colorado.
The 544th Intelligence, Surveillance and Reconnaissance Group is a United States Air Force unit assigned to the Air Combat Command Sixteenth Air Force. It is stationed at Buckley Space Force Base, Colorado. It was reactivated under the 70th Intelligence, Surveillance, and Reconnaissance Wing on 26 September, 2022.
The 20th Space Surveillance Squadron is a Space Delta 2 unit located at Eglin Air Force Base, 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, was renamed on 25 March 2022.
The United States Space Force's 4th Electromagnetic Warfare Squadron is an offensive space electromagnetic warfare unit formerly located at Holloman Air Force Base, New Mexico, stood up operations 1 July 2014 at Peterson Space Force Base, Colorado.
The 18th Intelligence Squadron is an intelligence organization of the United States Air Force, located at Buckley Space Force Base, Colorado.
The 16th Electromagnetic Warfare Squadron is an active United States Space Force unit, stationed at Peterson Space Force Base, Colorado as part of the Space Delta 3. The squadron protects critical satellite communication links to detect, characterize, geolocate and report sources of electromagnetic interference on US military and commercial satellites. The squadron also provides combat-ready crews to deploy and employ defensive space electromagnetic warfare capabilities for theater combatant commanders. The squadron is Air Force Space Command's first defensive counterspace unit.
The 1st Test and Evaluation Squadron is a United States Space Force test and evaluation unit, located at Schriever Space Force Base, Colorado. The squadron is tasked with testing and evaluation of command and control systems for Space Operations Command.
The 566th Intelligence Squadron is a support unit to the Aerospace Data Facility in conjunction with the Buckley Garrison, Buckley Space Force Base, Colorado. The 566th is part of the 544th Intelligence, Surveillance and Reconnaissance Group, headquartered at Buckley Space Force Base, Colorado.
The 3rd Test and Evaluation Squadron is a space test and evaluation unit located at Schriever Space Force Base in Colorado.
The 18th Space Defense Squadron is a United States Space Force Space Domain Awareness unit located at Vandenberg Space Force Base, California. The 18th SDS is tasked with executing command and control of the space surveillance network (SSN), maintaining the resident space object (RSO) database and managing United States Space Command's space situational awareness (SSA) sharing program to United States, foreign government, commercial, and academic entities. The squadron also conducts advanced analysis, sensor optimization, conjunction assessment, human spaceflight support, reentry/break-up assessment, and launch analysis.
The United States Space Force's 5th Electromagnetic Warfare Squadron is a space electromagnetic warfare unit located at Peterson Space Force Base, Colorado.
The 17th Test and Evaluation Squadron is a United States Space Force test and evaluation unit, located at Schriever Space Force Base, Colorado. The squadron is tasked with testing and evaluating space systems and associated support equipment.
Space Delta 2 is the United States Space Force's space domain awareness delta and is headquartered at Peterson Space Force Base, Colorado. Space Delta 2 tracks and monitors all human made objects from low Earth orbit to geosynchronous orbit and further out to deep space. It also partners with the National Oceanic and Atmospheric Administration to provide weather satellite observation for the U.S. Armed Forces. It consists of the 15th Space Surveillance, 18th Space Defense Squadron, 19th Space Defense Squadron, and 20th Space Surveillance Squadron.
Space Delta 3 is a United States Space Force unit responsible for presenting operational combat-ready space electromagnetic warfare forces in support of assigned missions. It is headquartered at Peterson Space Force Base.
The United States Space Force is organized by different units: the Space Staff, the field commands, and the space deltas.
Space Delta 7 is a United States Space Force unit responsible for Intelligence, Surveillance and Reconnaissance (ISR) for the United States Space Force. The delta provides actionable and time-sensitive intelligence for space domain operations including detection, characterization and targeting of adversary space capabilities. The unit employs a variety of fixed and mobile sensors across the globe operated by intelligence professionals to enable its mission to gain and maintain information dominance in the space domain in the execution of National Defense Strategy priorities. It is headquartered at Peterson Space Force Base.
The 3rd Combat Training Squadron is a United States Space Force training unit. Assigned to Space Operations Command's Space Delta 3, it provides electromagnetic warfare qualification training to Delta 3 operators. Headquartered at Peterson Space Force Base, Colorado, it was activated on 3 March 2022. The squadron was previously designated as the 721 Operations Support Squadron following the establishment of the 721st Operations Group in 2019 which was later redesignated to Space Delta 3.
The 71st Intelligence, Surveillance, and Reconnaissance Squadron is a United States Space Force unit assigned to Space Operations Command's Space Delta 7. It provides intelligence support to all deltas in the Space Force through its six detachments. Headquartered at Peterson Space Force Base, Colorado, it was activated on 11 September 2020.
United States
United States Space Force 
