26 Jul 47 President Harry S. Truman signed the National Security Act, which created a Department of the Air Force equal to the Departments of the Army and Navy; a National Military Establishment under the Secretary of defense; and an Air National Guard as a reserve component of the Air Force.
18 Sep 47 W. Stuart Symington took his oath of office as the first Secretary of the Air Force.
25 Sep 47 President Truman named Gen Carl A. Spaatz as the first Air Force Chief of Staff.
1 Sep 82 USAF activated Space Command under General James Hartinger's leadership.
1 Apr 83 Strategic Air Command (SAC) transferred Peterson AFB, Colorado, to Space
22 Apr 83 HQ USAF designated Space Command as operator and resource manager of MILSTAR satellite system.
1 May 83 SAC transferred to Space Command resource management of the Defense Support Program (DSP), the Defense Meteorological Satellite Program (DMSP), all missile warning and space surveillance radars and optical systems (PAVE PAWS, BMEWS, PARCS, Cobra Dane, AN/FPS-aS, Baker Nunns, GEODSS, etc.), as well as Thule and Sondrestrom Air Bases in Greenland, Clear AFS in Alaska.
17 May 83 Space Command broke ground for the Consolidated Space Operations Center (CSOC) at Falcon AFS, Colorado.
9 Jun 83 Deputy SecDef designated Commander, Space Command as the Defense Department's Manager for Space Transportation System Contingency Support Operations.
1 Jan 84 Space Command assumed resource management responsibility for Global Positioning System.
23 Sep 85 United States Space Command activated at Peterson AFB, Colorado.
26 Sep 85 Consolidated Space Operations Center (CSOC) opened at Falcon AFS, Colorado, and transferred from Air Force Systems Command (AFSC) to Space Command.
15 Nov 85 Space Command was redesignated as Air Force Space Command.
1 Oct 87 Onizuka AFB, California, and the Air Force Satellite Control Network (AFSCN) Common User Element, including a worldwide network of remote tracking stations (RTS) transferred from AFSC to AFSPC.
23 Mar 88 Strategic Defense Initiative Organization (SDlO) broke ground for permanent National Test Facility (NTF) at Falcon AFB, Colorado.
1 Oct 90 AFSPC assumed space launch mission from AFSC, and gained Patrick AFB and Cape Canaveral AFS, Florida.
15 Jan 91 SAC transferred Vandenberg AFB, California, to AFSPC.
1 Jul 91 Responsibility for USAF astronauts transferred from Air Force District of Washington to HQ AFSPC.
1 Jun 92 SAC transferred Air Force Satellite Communications (AFSATCOM) system management responsibility to AFSPC.
10 Dec 92 AFSPC assumed management responsibility for the SDIO's National Test Facility.
1 Jul 93 AFSPC assumed responsibility for intercontinental ballistic missile (ICBM) mission from Air Combat Command (ACC), and gained FE Warren AFB, Wyoming.
1 Nov 93 AFSPC Space Warfare Center (SWC) activated at Falcon AFB, Colorado, to foster improved space support to warfighters.
7 Feb 94 AFSPC launches the first Milstar satellite, a new generation military satellite communications system.
1 Jul 94 AFSPC gained Malmstrom AFB, Montana.
5 Jul 94 As part of the drawdown of US ICBM forces, 44th Missile Wing inactivated at Ellsworth AFB, South Dakota.
1 Oct 94 Air Weather Service transferred Air Force Space Forecast Center to AFSPC as the 50th Weather Squadron.
31 Jul 95 351st Missile Wing at Whiteman AFB, Missouri, inactivated as part of the ICBM drawdown.
29 May 98 AFSPC transferred control of the Defense Meteorological Satellite Program (DMSP) to the National Oceanographic and Atmospheric Administration (NOAA).
30 Sep 98 321st Missile Group at Grand Forks AFB, North Dakota, inactivated as part of the ICBM drawdown.
1 Oct 00 Buckley ANGB was redesignated Buckley AFB and transferred from the state of Colorado to AFSPC.
11 Jan 01 The release of the Congressionally-chartered Space Commission report set the stage for significant organizational and mission changes for AFSPC.
1 Oct 01 AFSPC activated the 460th Air Base Wing at Buckley AFB, Colorado.
1 Oct 01 Space and Missile Systems Center and Los Angeles AFB transferred from Air Force Materiel Command to AFSPC.
19 Apr 02 For the first time in its history, AFSPC became a separate four-star Air Force command with the designation of the AFSPC commander as a four-star position distinct from the commanders of US Space Command and NORAD. This action implemented one of the recommendations of the Space Commission.
1 Oct 02 United States Space Command was inactivated and its space mission was transferred to United States Strategic Command.
10 Mar 03 The first Delta IV (Medium) Evolved Expendable Launch Vehicle (EELV) military launch was occurred from Cape Canaveral. The Delta IV placed a Defense Satellite Communications System (DSCS) III into orbit.
Sep 05 Four 54th Helicopter Flight (HF) personnel and one UH-1N helicopter from the 90th Space Wing, Minot AFB, ND, departed for Columbus AFB, MS, to assist in post-Katrina disaster relief. AFSPC subsequently deployed an additional five helicopters and approximately 55 personnel from F.E. Warren AFB, Malmstrom AFB, and Vandenberg AFB.
19 Sep 05 With the last of 50 Peacekeeper ICBMs deactivated, a ceremony was held at F.E. Warren AFB, WY, to commemorate the missile system deactivation and inactivation the 400th Missile Squadron.