 Headquarters was responsible for the establishment of 2 RIMU (Radar Installation and Maintenance Unit) which provided specialist installation, calibration and maintenance support for RAAF radar stations in north Queensland.Radar mechanics regularly were required to climb the towers to service relay switches and aerials.War-time radar operators played a significant role in saving the lives of airmen, but manning a remote radar station in northern Queensland was a routine and mostly uneventful task.