 The facility was returned to the owners for horse racing, until 18 November 1941, when the racecourse was again taken over by the military during World War II.The racecourse was converted into a military camp, providing camping and training facilities for Royal Australian Air Force constructed an aerodrome at the site in 1942, which went through the middle of the racecourse, which was known as "Menangle Aerodrome".The aerodrome was a satellite aerodrome for RAAF Station Schofields and the runway was long and wide.