 No. 6 Squadron was formed at Parkhouse, England, on 15 June 1917 as a flying training unit of the Australian Flying Corps (AFC). The unit was initially designated No. 30 (Australian Training) Squadron, Royal Flying Corps and its role was to train fighter pilots for service with No. 2 Squadron of the AFC (which was designated No. 68 ( Australian) Squadron RFC at the time ) on the Western Front.
