as OF-1 (O-1 and O-2 in US). O-11 is sometimes used for the U.S. OF-10 ranks, but this is not official. OF-10 ranks in the United States can only be attained...

officer ranks; Royal Air Force other ranks United Kingdom and United States military ranks compared United States uniformed services: comparative ranks of officers...

United Kingdom and the United States have ranged from military opponents to close allies since 1776. The Thirteen Colonies seceded from the Kingdom of...

The United States Armed Forces are the military forces of the United States. The armed forces consist of six service branches: the Army, Marine Corps,...

the enlisted ranks and insignia of NATO member armies. For the comparison chart of the commissioned officers, see Ranks and insignia of NATO armies officers...

The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off...

British Armed Forces are the military forces responsible for the defence of the United Kingdom, its Overseas Territories and the Crown Dependencies. They...

Military ranks are a system of hierarchical relationships, within armed forces, police, intelligence agencies or other institutions organized along military...

and United States military ranks List of comparative military ranks RAF officer ranks Ranks of the Royal Australian Air Force "Ranks and Badges of the...

The United States of America (USA or U.S.A.), commonly known as the United States (US or U.S.) or simply America, is a country primarily located in North...