In the United States Army, a squad is composed of two fireteams of four soldiers each, as well as a squad leader who is a Staff Sergeant. A Military Police squad is composed of three teams of three. In the United States Marine Corps, a squad is typically composed of three fireteams of four Marines and a squad leader who is typically a Sergeant or Corporal. In the US Air Force Security Forces a squad is made up of three fire teams of four members each led by a Senior Airman or Staff Sergeant and either a Staff Sergeant or Tech Sergeant squad leader.