Group captain Group captain Group captain is a senior commissioned rank in many air forces. Group captain has a NATO rank code of OF-5, meaning that it ranks above wing commander, immediately below air commodore and is the equivalent of the naval rank of captain and the rank of colonel in other services. While the rank originated in the British Royal Air Force (RAF), group captain is a rank used by the air forces of many Commonwealth and other countries that have been influenced by British military culture. It is sometimes used as the English translation of an equivalent rank in countries
Commandant (rank) (Comdt) () is a military rank in both the Irish Army and Irish Air Corps. It is equivalent to major and squadron leader. In the Irish Naval Service, the equivalent rank is lieutenant commander. Commandant (shortened from "capitaine-commandant", i.e. a "captain commanding" (a battalion)), is an officer-grade rank of the Military of France, specifically the French Army and the French Air Force, which is equivalent to major. The "commandant" is also styled "chef de bataillon" ("battalion head") in the infantry, "chef d'escadrons" ("squadrons head") in the armoured cavalry and "chef d'escadron" ("squadron head") in the artillery and the "Gendarmerie". "Commandant"