Langley Air Force Base

Langley Air Force Base, U.S. military installation, 3,195 acres (1,293 hectares), SE Va., N of Hampton; est. 1917 and named for aviation pioneer Samuel P. Langley. The facility, the oldest continuously active air force base in the United States, is the headquarters of the Air Combat Command and has air-defense missile units. NASA's Langley Research Center is adjacent.