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 which have a non-English air force-specific rank structure. It is usually abbreviated Gp Capt. In some air forces (such as the RAF, IAF and PAF), is used while in others (such as the RAAF and RNZAF) and sometimes, especially in historical contexts, as G/C. The rank of group captain is not correctly abbreviated as "captain". On 1 April 1918, the newly created RAF adopted its officer rank titles from the British Army, with Royal Naval Air Service captains and Royal Flying Corps colonels becoming colonels in the RAF. In response to the proposal that the RAF should use its own