Buckley Space Force Base (IATA: BFK, ICAO: KBKF, FAA LID: BKF) is a United States Space Force base in Aurora, Colorado named after United States Army Air Service First Lieutenant John Harold Buckley.[2] Prior to the United States' entry into World War II, the War Department assigned Buckley Field as an Army Air Corps Technical School to train an additional 55,000 airmen per year in anticipation of its entry into the conflict on the side of the Allies.[3] Following the end of World War II in 1945, Buckley Field fell into disuse and in June 1946, the Army Air Forces Technical Training Command announced that the base would become inactive.[2] In 1946, the Department of the Navy issued a requirement for an inland Naval Air Reserve Station that could serve as a refueling stop for its aircraft, as well as a Naval Reserve station for sailors in New Mexico, Colorado, Wyoming, Utah, and parts of North and South Dakota and Nebraska.The first sailors were assigned to Buckley Field in December 1946, and the base was transitioned to the United States Navy on 28 September 1947, becoming Naval Air Station Denver (NAS–D).[4] The Colorado Air National Guard remained at the site, with its 86th Fighter Wing continuing flying operations.In November 1953, the 140th Fighter–Bomber Wing activated the Minute Men Air National Guard demonstration team, originally flying F-80 Shooting Stars, but later transitioning to the North American F-86 Sabre.[2] In spring 1969, the United States Air Force began development on the Defense Support Program ground station, beginning Buckley's space history.Space Base Delta 2 supports 3,500 active duty members from every military service, 4,000 National Guard personnel and reservists, four commonwealth international partners, 2,400 civilians, 2,500 contractors, and approximately 88,000 retirees, veterans and dependents combined.The 460th Logistics Readiness Squadron (460 LRS) is responsible for providing all military logistics support, including vehicles management, traffic management, cargo movement, airlift operations, support agreements, deployment planning and execution, and bulk fuels.The 460th Operations Support Squadron (460 OSS) is responsible for providing operational training and certification, tactics development, engineering support, and crew force management for all Space Delta 4 units, while Detachment 1 (DEL 4, DET 1) is responsible for military communications.The 140th Civil Engineer Squadron (140 CES) has a dual mission of providing provide follow-on Prime Base Engineering Emergency Forces and supporting day to day operations of base facilities, as well as Environmental, Emergency Management and Explosive Ordnance Disposal (EOD) functions.In addition, the 140th MDS also conducts Air Transportable Hospital mission taskings and flight surgeon support to all wing deployments.[20] The 544th Intelligence, Surveillance and Reconnaissance Group was re-established on Sept 27th, 2022 to delivers global, space-related information to national agencies and warfighting commands, provides policy guidance and functional assistance to assigned organizations, and develops mission-based facilities and communication.The Joint Overhead Persistent Infrared Center conducts integrated mission management to optimize the OPIR enterprise for national-level decision makers, warfighters, and the Intelligence Community.JFHQ-CO provides trained and equipped forces to accomplish federal and state missions, and on the order of the president of the United States or governor of Colorado, executes assigned missions and provides support and/or command and control for other forces, such as DoD elements and agencies.[23] The Colorado Army National Guard units at Buckley Space Force Base include the headquarters of the 169th Field Artillery Brigade (in addition to its 540th Network Support Company and 86th Military Intelligence Battalion), the Army Aviation Support Facility (AASF) and 2-135 Aviation Battalion (General Support), Colorado Army National Guard Medical Command, and Special Operations Detachment-Korea.[20] Navy units at Buckley Space Force base include: The United States Coast Guard Cryptologic Unit-Colorado (CGCU-Colorado) was commissioned at Buckley Space Force Base on 3 October 2007 and conduct technical training and analysis of the maritime domain in support of tactical and operational fleet commands, the Coast Guard Intelligence enterprise, and combatant commanders.In conjunction with their daily analytical duties, members of the unit simultaneously develop, train and refine their cryptologic skills to support future afloat operations in the Coast Guard.