Joint Base San Antonio. The 502d Air Base Wing, headquartered at Fort Sam Houston, Texas. The 502d is the home of Joint Base San Antonio, one of 12 joint bases within the Department of Defense. Hosted annually by the U.S. Army Medical Command (MEDCOM) at Camp Bullis, this year’s ABMC is scheduled from. The AMEDDC&S HRCoE is located at JBSA, Fort Sam Houston, Texas. The Center is where the. Website:…