The Darwin Mobile Force was a mixed force of infantry and artillery raised by the Australian Army prior to the Second World War. It was the first regular infantry field force in the Australian military, although due to legislative restrictions that existed at the time it was established as part of the Royal Australian Artillery. Its formation marked a rare departure from the traditional Australian focus upon part-time citizen forces and is arguably a key moment in the development of a professional standing army. Attached to the 7th Military District, the Darwin Mobile Force were used to garrison the strategic port of Darwin in the Northern Territory, along with 9th Heavy Battery and the 7th Fortress Engineers, RAE, and to provide personnel with training and command experience. The force ce