British Army officer rank insignia some time to become familiar with them all. Those in the ranks of Captain, Lieutenant and Second Lieutenant are often referred to as subalterns. Those of Brigadier, Colonel, Lt. Colonel and Major are considered to be of field officers. All above these are considered to be of general officer rank. For a short period, the British Army used the rank of sub-lieutenant, before that was changed to second lieutenant. Before 1767, there were no definite badges for Field Marshals and General officers. In 1767, the British Army issued an order to distinguish Field Marshals (once the rank was established in
Air force officer rank insignia military. While countries outside the NATO command structure (including some NATO member countries such as France) do not strictly fall into this classification structure and there may be instances of overlap the codes still provide a useful gauge in determining what ranks are broadly equivalent. Note that the NATO officer rank codes (OF-1 to OF-10) are differently numbered from the US officer rank codes (O-1 to O-11). Air force officer rank insignia To assist in the comparison of different countries' air force officer rank insignia, NATO rank codes have been used. These are established codes for determining the seniority of