In 1940 the site was resumed by the ( Commonwealth of Australia and a Royal Australian Air Force ( RAAF ) airfield known as Empire Air Training Scheme No 1 Wireless Air Gunners School was established ( EATS 1 WAGS ) at the Ballarat Showgrounds on 22 April 1940 .
In 1940 , in World War II , the site was taken over by the Australian government and a Royal Australian Air Force ( RAAF ) airfield known as Empire Air Training Scheme No 1 Wireless Air Gunners School was begun ( EATS 1 WAGS ) at the Ballarat Showgrounds on 22 April 1940 .