Baldonnel , is a townland, and industrial/agricultural area near
Clondalkin,
Tallaght,
Lucan,
Saggart and
Naas, in west
County Dublin. It is chiefly known as the location of the headquarters of the
Irish Air Corps (Irish Air Defence Forces) at
Casement Aerodrome, Baldonnel, which has been in operation for over 90 years in the locality, first as a RFC then a
RAF aerodrome until the creation of the
Irish Free State in 1922, when the Irish Air Corps (IAC) took command of the field.