The 527th Space Aggressor Squadron is a United States Space Force unit assigned to the Space Training and Readiness Command. The unit traces its lineage to the 312th Bombardment Squadron (Light) constituted in 1942. It presents realistic adversary threats to US and allied military forces to improve their training for space-associated operations. It is stationed at Schriever Space Force Base, Colorado. Its present form dates from its activation as part of the United States Air Force in 2000. That year it was activated as part of the Space Warfare Centre, but it was then transferred to the 57th Adversary Tactics Group in 2006. The mission was augmented with the activation of a United States Air Force Reserve associate unit, the 26th Space Aggressor Squadron, on 1 October 2003. With the formation of the Space Force in 2019, the squadron was part of the second wave of transfers and reorganizations which took place in mid-2020. It was realigned under Space Delta 11 upon that organizations activation in 2021.
The 328th Weapons Squadron is the United States Space Force's weapons school. Assigned to Space Training and Readiness Command's Space Delta 1 and located at Nellis Air Force Base, Nevada, the squadron offers the Space Superiority Weapons Instructor Course and the Space Warfighter Advanced Instructor Course. Students undergo five to six months of rigorous advanced training, after which they become weapons officers, a reservoir of tactical and operational knowledge.
The 25th Space Range Squadron is a squadron of the United States Space Force. It is assigned to the Space Delta 11 at Schriever Space Force Base, Colorado, US. The 25th operates the Space Test and Training Range along with the 379th Space Range Squadron of the United States Air Force Reserve.
The 3rd Test and Evaluation Squadron is a space test and evaluation unit located at Schriever Space Force Base in 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.
The Space Training and Readiness Delta (Provisional) (STAR Delta (P)) was a United States Space Force unit responsible for the training and education of space professionals, as well as the development of space warfighting doctrine. It was a component of Space Operations Command and was headquartered at Peterson Space Force Base, Colorado.
Space Training and Readiness Command is the United States Space Force's education, training, doctrine, and test field command. It is headquartered at Peterson Space Force Base, Colorado.
The United States Space Force is organized by different units: the Space Staff, the field commands, and the space deltas.
The National Security Space Institute (NSSI) is a unit in the United States Space Force's Space Training and Readiness Command (STARCOM). Headquartered at Peterson Space Force Base, Colorado, it provides space professional military education to the military space professionals in the United States and its allies.
Space Delta 13 is a United States Space Force unit responsible for space education. It offers advanced and developmental space education courses for the Space Force and its joint and allied partners. It was established on 23 August 2021 following the establishment of the Space Training and Readiness Command, the field command to which it reports. It is temporarily headquartered at Maxwell Air Force Base, Alabama, but its final location requires a base selection process.
Space Delta 1 is a United States Space Force unit responsible for space training. It runs the Space Force's basic military training, weapons school, and other advanced training courses and exercises. It was established on 23 August 2021 following the establishment of the Space Training and Readiness Command, the field command to which it reports. It is headquartered at Vandenberg Space Force Base, California.
Space Delta 12 is a United States Space Force unit responsible for space test and evaluation. It tests space systems and capabilities in support of weapon system acquisition, operational acceptance, and readiness. It was established on 23 August 2021 following the establishment of the Space Training and Readiness Command, the field command to which it reports. It is temporarily headquartered at Schriever Space Force Base, Colorado, but its final location requires a base selection process.
Space Delta 11 is a United States Space Force unit responsible for space range and aggressor. It conducts live and virtual training and operations for test and training requirements. It was established on 23 August, 2021 following the establishment of the Space Training and Readiness Command (STARCOM), the field command to which it reports. It is temporarily headquartered at Schriever Space Force Base, Colorado. Its final location requires a base selection process and the Department of the Air Force's preferred option is Kirtland Air Force Base, New Mexico.
Space Delta 10 is a United States Space Force unit responsible for space doctrine and wargaming. It was established on 23 August 2021 following the establishment of the Space Training and Readiness Command, the field command to which it reports. It is temporarily headquartered at the United States Air Force Academy, Colorado, but its final location requires a base selection process.
The 319th Combat Training Squadron is a United States Space Force unit responsible for offering advanced military space training. Assigned to Space Training and Readiness Command's Space Delta 1, it offers space warfighting follow-on courses for the four warfighting disciplines in the Space Force: orbital warfare, space electronic warfare, space battle management, and space access and sustainment. Space operators that recently graduated from the 533rd Training Squadron's undergraduate space training undergo a temporary duty assignment at the squadron to train them based on their specific warfighting discipline. It is located at the Moorman Space Education and Training Center, Peterson Space Force Base, Colorado.
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 55th Combat Training Squadron is a United States Space Force unit assigned to Space Operations Command's Space Delta 5. Formerly the 614 CTS, the squadron was activated on 16 December 2016 to implement and sustain enterprise-wide changes under the Space Training Transformation and Space Mission Force constructs. It is headquartered at Vandenberg Space Force Base, California.
The 50th Operations Support Squadron was a United States Space Force unit assigned to Space Operations Command's Space Delta 8. It provided operations support to the delta by leading training, intelligence operations, tactics development. It was headquartered at Peterson Space Force Base, Colorado.
The 13th Delta Operations Squadron is a United States Space Force unit. Assigned to Space Training and Readiness Command's Space Delta 13, it is responsible for providing operations support to the delta. It was activated on 16 September 2021 and is temporarily headquartered at Maxwell Air Force Base, Alabama.
The 1st Delta Operations Squadron is a United States Space Force unit responsible for providing operations support to Space Delta 1 by serving as its headquarters staff. It also has a detachment that runs the service's basic military training. It was activated on 2 September 2021 and is located at Vandenberg Space Force Base, California.
United States
United States Space Force 
