Information: - Wilford Hall Ambulatory Surgical Center , formerly known as Wilford Hall Medical Center , is a U.S. Air Force medical treatment facility located on the grounds of San Antonio 's Lackland Air Force Base . Operated by the 59th Medical Wing , Wilford Hall is the Defense Department 's largest outpatient ambulatory surgical center , providing the full spectrum of primary care , specialty care , and outpatient surgery . The medical facility is named after former Air Force physician , Maj. Gen. Wilford F. Hall , a visionary pioneer whose contributions were instrumental in the development of aeromedical evacuation . On Sept. 15 , 2011 , Wilford Hall Medical Center was renamed Wilford Hall Ambulatory Surgical Center as part of the 2005 Base Realignment and Closure Commission actions . - The United States Air Force (USAF) is the aerial warfare service branch of the United States Armed Forces and one of the seven American uniformed services. Initially part of the United States Army, the USAF was formed as a separate branch of the military on 18 September 1947 under the National Security Act of 1947. It is the most recent branch of the U.S. military to be formed, and is the largest and one of the world's most technologically advanced air forces. The USAF articulates its core functions as Nuclear Deterrence Operations, Special Operations, Air Superiority, Global Integrated ISR, Space Superiority, Command and Control, Cyberspace Superiority, Personnel Recovery, Global Precision Attack, Building Partnerships, Rapid Global Mobility and Agile Combat Support. - South Texas is a region of the U.S. state of Texas that lies roughly south of -- and sometimes including -- San Antonio. The southern and western boundary is the Rio Grande, and to the east it is the Gulf of Mexico. The population of this region is about 4.67 million according to the 2013 census estimates. The southern portion of this region is often referred to as the Rio Grande Valley. The eastern portion along the Gulf of Mexico is also referred to as the Coastal Bend. - Central Texas is a region in the U.S. state of Texas surrounding Austin and roughly bordered by Brady to Kerrville to La Grange to Waco. Central Texas contains the Texas Hill Country and corresponds to a physiographic section designation within the Edwards Plateau, in a geographic context. - Texas is the second largest state in the United States by both area and population. Geographically located in the south central part of the country, Texas shares borders with the U.S. states of Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the west, and the Mexican states of Chihuahua, Coahuila, Nuevo Leon, and Tamaulipas to the southwest, while the Gulf of Mexico is to the southeast. - Lackland Air Force Base is a United States Air Force base located in Bexar County, Texas. The base is under the jurisdiction of the 802d Mission Support Group, Air Education and Training Command (AETC) and an enclave of the city of San Antonio. It is the only entry processing station for Air Force enlisted Basic Military Training (BMT). - Air Education and Training Command (AETC) was established 1 July 1993, with the realignment of the former Air Training Command and the extant Air University. It is one of the U.S. Air Force's ten major commands (MAJCOMs) and reports to Headquarters, United States Air Force. - The Texas Triangle is one of eleven "megaregions" in the United States. These are urban areas that are much greater in scale than a metropolitan statistical area (MSA), defined by the US Census Bureau. These regions also are known as "megapolitan areas". The Texas Triangle is formed by the three main cities, Houston, Dallas, and San Antonio, connected by a highway system of Interstate 45, Interstate 10, and Interstate 35. The area is sometime also referred to as the Texaplex. - San Antonio (Spanish for "Saint Anthony"), officially the City of San Antonio, is the seventh-most populated city in the United States and the second-most populous city in the state of Texas, with a population of 1,409,019. It was the fastest growing of the top 10 largest cities in the United States from 2000 to 2010, and the second from 1990 to 2000. The city straddles South Texas and Central Texas and is on the southwestern corner of an urban megaregion known as the Texas Triangle. - The 59th Medical Wing (MDW) is the U.S. Air Forces largest medical wing and is the Air Force functional medical command for Joint Base San Antonio (JBSA). It comprises seven medical groups across San Antonio. Three are located at the Wilford Hall Ambulatory Surgical Center (WHASC); the 959th Medical Group is located at San Antonio Military Medical Center (SAMMC), JBSA-Fort Sam Houston; the 59th Training Group - the wing's newest group, activated on Jan. 4, 2016, is also located at JBSA-Fort Sam Houston. The 359th and 559th Medical Groups are located at and support the missions of JBSA-Randolph and JBSA-Lackland, respectively. Given the information above, choose from the list below the object entity that exhibits the relation 'located in the administrative territorial entity' with the subject 'wilford hall ambulatory surgical center'. Choices: - arkansas - austin - bexar county - brady - center - central - chihuahua - coahuila - combat - dallas - fort - la grange - mexico - most - north - of - rio - san antonio - south - tamaulipas - texas
texas