Joint Base San Antonio Patch

Joint Base San Antonio is a US military facility located in San Antonio, Texas. Built in 1927 and controlled by Air Education and Training Command. It is under the authority of the US AF 502d Air Base Wing wherein the Wing's three Mission Support Groups perform the installation support at the three bases that form JBSA.
The facility is a Joint Base of the US AF Randolph AF Base, the US Army Fort Sam Houston, Lackland Air Force Base, and Martindale Army Airfield.