2/2nd Machine Gun Battalion (Australia)
The 2/2nd Machine Gun Battalion was an infantry support unit of the all-volunteer Second Australian Imperial Force that was raised for service overseas during the Second World War. Formed in mid-1940 in Sydney, from personnel drawn from the states of Queensland and New South Wales, the battalion was allocated to the Australian 9th Division.
Source: Wikipedia — 2/2nd Machine Gun Battalion (Australia) (CC BY-SA 4.0)