Lajes Field or Lajes Air Base (Portuguese: Base Aérea das Lajes), officially designated Air Base No. 4 (Base Aérea Nº 4, BA4) (IATA: TER, ICAO: LPLA), is a multi-use airfield, home to the Portuguese Air Force Base Aérea N º4 and Azores Air Zone Command (Portuguese: Comando da Zona Aérea dos Açores), a United States Air Force detachment unit (operated by the 65th Air Base Wing of United States Air Forces in Europe - Air Forces Africa), and a regional air passenger terminal located near Lajes and 15 km (9.3 mi) northeast of Angra do Heroísmo on Terceira Island in the Azores, Portugal.