MOD St Athan

MOD St Athan (IATA: DGX, ICAO: EGDX) is a large United Kingdom Ministry of Defence unit near the village of St Athan in the Vale of Glamorgan, southern Wales. It was the designated site for the United Kingdom's new defence training academy, but the programme was cancelled on 19 October 2010. It once claimed to be the largest Royal Air Force (RAF) station (though several gunnery ranges such as RAF Spadeadam are larger in area).

The base has been home to the RAF No 4 School of Technical Training throughout its life, as well as a major aircraft maintenance unit. The base has also been used to house British Army units, including the 1st Battalion, Welsh Guards. At one time it was home to a large collection of historical aircraft.

The only squadrons to operate out of St Athan on a regular basis are the University of Wales Air Squadron (one of fourteen RAF University Air Squadrons), flying Grob Tutors and No 634 Volunteer Gliding Squadron using Vigilant T.1s. 2300 Squadron of the Air Training Corps is also located on the Station.

RAF St Athan was also home for the Royal Air Force Administrative Apprentice Training School. To provide a 20 month training program for boys who enlisted to become Clerks; accounting, supply and admin. Prior to posting to other RAF units for a 12 year term of service.