The Australian Air Force Ensign is based on the colours of the Royal Australian Air Force Ensign and has a larger red kangaroo roundel in the centre with Southern Cross and spears.
The Australian Navy ensign is based on the colours of the Royal Australian Navy Ensign and has a roundel with an anchor in the centre and Southern Cross and spears.
The Australian Army Ensign features the heraldic colours of Australia Gold and blue and a roundel containing a red rising sun insignia in the centre with Southern Cross and spears.
The Australian Cyber Defence Ensign features the official colours of Australia gold and green with a roundel containing circuitry graphics in the centre with Southern Cross and spears.
All four ensigns are a formation and display the Southern Cross and spears or weapons as part of the symbolism.
State and Territory flags
The State and Territory flags are based on the national design and are a formation with State emblem and Southern Cross front and centre.
Coats of Arms
The Coats of Arms are based on the colonial designs incorporating the national State and Territory flags on the shields.