was first used for aviation during the First World War when the Royal Naval Air Service opened an airship base here named Royal Naval Air Station (RNAS) Anglesey (also known as RNAS Bodffordd, RNAS Gwalchmai and RNAS Llangefni).

RNAS Anglesey was commissioned on 26 September 1915, when it was operated by 14 Group RNAS, operating SS18, an SS class airship,