Esler Army Airfield / Esler Regional Airport — Alexandria, United States

ESF is the code for Esler Regional Airport, located near Alexandria, Louisiana, and closely tied to the nearby Fort Johnson (formerly Fort Polk) military installation. The airport has a strong military aviation heritage, historically supporting training exercises and troop movements associated with the large Army base in central Louisiana. ESF also serves general aviation, charter flights, and some cargo operations for the Alexandria area. Its runway infrastructure reflects its military-adjacent origins, making it capable of handling larger aircraft than many comparably sized regional airports. The facility continues to play a dual civilian-military role, supporting both local business aviation needs and defense-related logistics tied to Fort Johnson.