The rank has a NATO rank code of OF-8, equivalent to a Vice-Admiral in the Royal Navy or an Air Marshal in the Royal Air Force (RAF) or the air forces of many Commonwealth countries. The then new Royal Air Force used the rank from the 1st April 1918, to the 31st July 1919 where it was superseded by Air Marshal.
Rank insignia is a crown over a crossed sabre and baton.
|Commissioned Officer ranks|
|Second Lieutenant → Lieutenant → Captain → Major → Lieutenant Colonel → Colonel →|
Brigadier → Major General → Lieutenant General → General → Field Marshal
|Junior & Non-Commissioned ranks|
|Private → Lance Corporal → Corporal →|
Sergeant → Staff Sergeant → Warrant Officer Class 2 → Warrant Officer Class 1