The United States Army Space and Missile Defense Command (USASMDC) is the Army Service Component Command (ASCC) for United States Strategic Command and United States Space Command. It was established in 1985 as the Army Strategic Defense Command, responsible for ballistic missile defense. In 1992, it merged with Army Space Command to become Army Space and Strategic Defense Command. In 1997, it became an Army Major Command and was redesignated Army Space and Missile Defense Command.
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.
The 50th Wing is an inactive United States Air Force wing.
The 22d Space Operations Squadron is a satellite control unit of the United States Space Force. It is part of Space Delta 6 and is located at Schriever Space Force Base, Colorado. Prior to July 2020 it was part of the 50th Network Operations Group, itself a part of the 50th Space Wing.
The 2nd Space Operations 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 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 3rd Space Operations Squadron is a United States Space Force unit responsible for conducting on-orbit operations. It is located at Schriever Space Force Base, Colorado.
The United States Space Force's 4th Space Operations Squadron is a satellite operations unit located at Schriever Space Force Base, Colorado. 4 SOPS is part of Space Delta 8 and responsible for command and control of the Milstar/Advanced Extremely High Frequency, Defense Satellite Communications System Phase III, and Wideband Global SATCOM satellite constellations. The 4th Space Operations Squadron's mission is to operate the Space Force's protected and wideband MILSATCOM systems. They provide warfighters global, secure, survivable, strategic and tactical communication during peacetime and throughout the full spectrum of conflict. The squadron also operates three mobile constellation control stations at various locations in conjunction with host partners. At higher readiness levels and during exercises, these personnel deploy with U.S. Strategic Command and U.S. Northern Command respectively.
The 69th Cyberspace Squadron is a squadron of the United States Space Force located at Schriever Space Force Base, Colorado. It is responsible for conducting defensive cyberspace operations enabling operations in support of Space Delta 9's orbital warfare mission at Schriever Space Force Base, Colorado, and Space Delta 6's Satellite Control Network at various locations around the world. The 50th Communications Squadron was redesignated as the 69 Cyberspace Squadron on 15 Oct 2022.
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 23rd Space Operations Squadron is a satellite control unit of the United States Space Force. It is part of Space Delta 6 and is located at New Boston Space Force Station, New Hampshire. Prior to July 2020, part of the 50th Network Operations Group, itself a part of the 50th Space Wing.
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.
Space Delta 4 is a United States Space Force unit responsible for providing strategic and theater missile warning to the United States and its international partners. It operates three constellations of Overhead Persistent Infrared (OPIR) satellites and two types of Ground-Based Radars (GBRs) for the purpose of conducting strategic and theater missile warning. Additionally, DEL 4 provides tipping and cueing to missile defense forces, battlespace awareness to combatant commanders and technical intelligence for further analysis and manages weapon system architectures and ensures operations are intelligence-led, cyber-resilient, and driven by innovation, while postured to operate in a contested, degraded, and operationally-limited environment.
Space Base Delta 2 is a unit in the United States Space Force. It is assigned to Space Operations Command and headquartered at Buckley Space Force Base in Aurora, Colorado, United States.
The United States Space Force is organized by different units: the Space Staff, the field commands, and the space deltas.
Space Delta 8 is the United States Space Force unit responsible for military satellite communications and operates a variety of satellite constellation. It is headquartered at Schriever Space Force Base, Colorado.
Space Delta 6 is a United States Space Force unit which assures access to space through the $6.8 billion Satellite Control Network and defensive cyberspace capabilities for space mission systems.
The 53rd Space Operations Squadron is a United States Space Force unit. Assigned to the Space Operations Command's Space Delta 8, it is responsible for providing payload and transmission command and control of the Wideband Global SATCOM and Defense Satellite Communications System constellations. It is headquartered at Schriever Space Force Base, Colorado. Whereas the 4th Space Operations Squadron operates the satellite "bus", the 53 SOPS is responsible for operating the mission payload - high capacity "wideband" military satellite communications.
The 10th Space Operations Squadron is the United States Space Force unit responsible for operating the Mobile User Objective System and Ultra-High Frequency Follow-On satellite constellations, providing global communications to the United States Armed Forces.
United States
United States Space Force 
