An air force unit larger than a flight and smaller than a group WordNet 3.0 & Open English WordNet

A squadron in an air force, or naval or army aviation service, is a unit comprising a number of military aircraft and their aircrews, usually of the same type, typically with 12 to 24 aircraft, sometimes divided into three or four flights, depending on aircraft type and air force. Wikipedia

A military unit that consists of three or four flights with a total of 12 to 24 aircraft, depending on the type of aircraft and the air force, naval or army air service Wikipedia Disambiguation

Military aviation unit size Wikidata

A tactical air force unit; consists of at least two flights; multiple squadrons make up a group or wing (depending on particular air force). Wiktionary

Air force: tactical unit of at least two flights. Wiktionary (translation)