High Quality Content by WIKIPEDIA articles Vance Air Force Base (IATA: END, ICAO: KEND, FAA LID: END) is a United States Air Force base located 6 km (three nautical miles) south of downtown Enid, Oklahoma, and within its city limits, about 104 km (65 mi) north northwest of Oklahoma City. The base is named after local World War II hero and Medal of Honor recipient, Lt Col Leon Robert Vance Jr.