 22 SAS normally has a strength of 400 to 600. The regiment has four operational squadrons: A, B, D and G. Each squadron consists of approximately 65 men commanded by a major, divided into four troops (each troop being commanded by a captain) and a small headquarters section. Troops usually consist of 15 men, and each patrol within a troop consists of four men, with each man possessing a particular skill: signals, demolition, medic or linguist in addition to basic skills learned during the course of his training. The four troops specialise in four different areas:
