A regiment is a military formation of various size, usually between 400 and up to 2-3000 soldiers. Sometimes divided into two or more battallions. The term "The Regiment" in NATO military slang refers to the 22 Special Air Service Regiment. A regiment's glory and history is important for those who serve in it, and every well-assorted regiment has a standard with embroidered names of heroic battles in the regiments history, as well as its own marching songs and headwear.