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
Captain (United States) the ground forces, as a flight leader or other squadron officer in air units, or serving as an executive officer or staff officer for a larger unit such as a battalion or squadron. This rank is used by the U.S. Army, U.S. Air Force, and U.S. Marine Corps. The rank of captain is also used in other organizations outside the military, particularly in fire departments, police, and law enforcement. The insignia for captains in the United States Army was first authorized in 1836. During the American Civil War, the rank of Captain was used in both the Union Army and