Kelly AFB

Kelly Field Annex is a former United States Air Force facility located in San Antonio. Now the Air Force Base is one part of Joint Base San Antonio. The joint base is the largest base organization in the Department of Defense. It includes three primary locations at JBSA-Fort Sam Houston, Lackland and Randolph, and more than 200 mission partners. JBSA services more DoD students than any other installation, more active runways than any other installation, houses the DoD’s largest hospital, supports more than 250,000 personnel including 425 retired general officers and interfaces with 1,000 civic leaders of San Antonio, 20 smaller communities, four counties and four Congressional Districts.

Kelly Field Annex, TX 78243

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The 502d Air Base Wing

The 502nd Air Base Wing traces it lineage back to 1947. On 17 November 1947, the Air Force organized and activated the 502nd Air University Wing (502 AUW) at Maxwell Field, in Montgomery, Alabama. The Air Force, which became a separate service on two months before, initiated a re-organization program that decentralized operations and provided for easier and quicker mobility of tactical units. As part of the re-organization, the Air Force inactivated the 42nd Army Air Force Base Unit, and activated the 502nd AUW in its place. Personnel and equipment from the 42nd transferred to the 502nd AUW. Under the command of Col. William E. Covington Jr., the 502nd AUW provided logistical support and base services for Air University and other base agencies on or near Maxwell Field and nearby Gunter Field.

Maxwell Field, circa 1944 The 502nd AUW performed the installation support mission for less than a year when the Air Force disestablished the wing on 27 July 1948 and established, organized, and activated the 3800th Air University Wing in its place on 28 July 1948. The 3800th, under various designations, accomplished the installation support mission at Maxwell and Gunter for the next 44 years.

In 1992, then Air Force Chief of Staff, Gen. Merrill A. McPeak ordered a major re-organization of the Air Force. As part of the re-organization, General McPeak focused on the preservation of the lineage and heritage of the Air Force’s most prestigious units. The general also decided that all four-digit units should be redesignated as three-digit units. Because of this, Air Training Command (ATC) consolidated the history of the 502nd AUW with the now designated 3800th Air Base Wing on 1 October 1992. That same day, ATC redesignated the 3800th Air Base Wing as the 502nd Air Base Wing (502 ABW).

The 502nd ABW continued to perform the installation support mission at Maxwell and Gunter until 1 October 1994. That day, the 502nd ABW inactivated once again and the 42nd Air Base Wing took over installation support for Maxwell and Gunter.

On 9 November 2005, President George W. Bush endorsed the recommendations of the Base Realignment and Closure Commission (BRAC), and signed them into law. One of the recommendations called for the implementation of joint basing. Joint basing involved a single entity that managed the support functions of two or more adjacent DoD installations. The commission felt that combined support functions eliminated duplicated efforts and created a single efficient organization. For San Antonio, the commission recommended joint basing for the three major installations around the city; Fort Sam Houston, Lackland AFB, and Randolph AFB. The Air Force, as the lead service for Joint Base San Antonio (JBSA), looked to one of the few wings with a history of accomplishing an installation support mission, the 502nd Air Base Wing.

On 1 August 2009, the 502nd ABW activated once again, this time to perform the vital joint base mission. Because of its central location in San Antonio and Bexar County, Texas, the Air Force activated the wing at Fort Sam Houston. This also marked the return of a major Air Force presence to Fort Sam Houston for the first time since 1917. Unlike its prior activations, the 502nd ABW did not replace a unit. The wing gradually built its staff over the next few months, while it coordinated with the support functions at Fort Sam Houston, Lackland AFB, and Randolph AFB, in anticipation of JBSA achieving Initial Operational Capability (IOC). When IOC occurred, the 502nd ABW assumed the installation support mission for the three installations.

On 31 January 2010, the 502nd ABW took over responsibility as the host unit at Lackland and Randolph. On that day, the 12th Mission Support Group at Randolph inactivated and the 902nd Mission Support Group activated in its place. Meanwhile, the 37th Mission Support Group at Lackland inactivated and the 802nd Mission Support Group activated in its place. At Fort Sam Houston, the wing assumed IOC on 30 April 2010 when the 502nd Mission Support Group (502 MSG) activated. The 502nd MSG also provided installation support for Camp Bullis in northwestern Bexar County. The three groups and their subordinate squadrons accomplished the various installation support missions for each JBSA installation. The US Army Garrison at Fort Sam Houston remained active alongside the 502nd MSG until JBSA achieved Full Operational Capability (FOC) on 1 October 2010. At FOC, the Garrison inactivated and the Army civilian employees transferred to the Air Force. San Antonio

The 502nd ABW became the host unit for Fort Sam Houston, Lackland AFB, and Randolph AFB. While all three installations and Camp Bullis (supported by Fort Sam Houston) made up JBSA, none shared a fence line, and each maintained its long and distinguished historical identity.

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To champion agile and innovative policy development while leading cost effective execution in Air Force supply chain management, infrastructure and environmental, safety and occupational health; always providing superior, customer-focused support to the warfighter and their families.

Mission Capsule

Support the USAF Transformation Architecture


  • Shape policy direction, conduct oversight and liaison with the Office of the Secretary of Defense, Congress, federal agencies and external organizations
  •  Provide guidance, direction and oversight of all matters pertaining to the formulation, review and execution of plans, policies, programs and budgets relative to specific functional responsibilities

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Our efforts focus on those policies and activities that will transform Air Force operations, ultimately ensuring improvements to our warfighting ability and capacity to counter new threats. SAF/IE is committed to ensuring our installations are right sized to support our forces, that our combat systems have a robust logistics infrastructure for sustainment, and that our forces have the necessary accessibility to the full spectrum of our environment to ensure combat readiness.

San Antonio, Texas
Total Acreage: 1,886 Acres
Closed: July 2001
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Local Redevelopment Authority

Port Authority of San Antonio
907 Billy Mitchell Blvd.
San Antonio, TX 78226-1802
Phone: (210) 362-7800

San Antonio Central Library
Government Documents Section (2nd Floor)
600 North Soledad
San Antonio, Texas 78205
(210) 207-2500
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