No. 20 Squadron was reactivated on 1 April 2015 to support airfield operations at RAAF Base Woomera , South Australia . Consisting of nine uniformed personnel and one Australian Public Service member under the command of Squadron Leader Simon Bartlett , the squadron formed part of No. 96 Wing , a component of Combat Support Group ( CSG ) . The airfield had previously been managed under the auspices of Aerospace Operational Support Group , but a command @-@ and @-@ control review commissioned by the Chief of Air Force recommended that , in common with other RAAF airfields , it should be administered by CSG . RAAF Base Woomera , incorporating Woomera Village , was one of two Air Force units formally established on 12 January 2015 as part of a reorganisation of the Woomera Range Complex , the other unit being RAAF Woomera Test Range .