Commandant (rank) rank, above "adjudant-chef". In the Spanish Army and Spanish Air Force, the rank of "comandante" is senior to a captain and junior to a lieutenant colonel, making it equivalent to the rank of major or squadron leader in English-speaking countries. "Comandante" ("commandant") is a military officer rank used in some Latin American countries. The Chilean Air Force uses the rank of "comandante de escuadrilla" ("squadron commandant") as a rank equivalent to the British rank of squadron leader. The Peruvian Air Force uses the rank of "comandante" as an equivalent to lieutenant-colonel or wing commander. "Comandante" can be translated into English
Group captain air forces, such as Colonel, other air services, especially non-combat auxiliaries in Commonwealth countries, have used a variety of alternative names for equivalent ranks. The equivalent rank in the Women's Auxiliary Air Force, Women's Auxiliary Australian Air Force, Women's Royal Air Force (until 1968) and Princess Mary's Royal Air Force Nursing Service (until 1980) was "group officer". The equivalent rank in the Royal Observer Corps (until 1995) was "observer captain", which had a similar rank insignia. 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