No. 1 Remote Sensor Unit (1RSU), formerly known as No. 1 Radar Surveillance Unit, was renamed on 2 May 2015. 1RSU is the Royal Australian Air Force unit responsible for operating the Jindalee Operational Radar Network (JORN). While 1RSU is located at RAAF Base Edinburgh the Unit also has personnel stationed at the JORN sites near Longreach in Queensland, Alice Springs in the Northern Territory, and Laverton in Western Australia.