In combat, each soldier carries one field dressing ready for immediate use. Standard doctrine is that a casualty's dressing should be used rather than the rescuer's - the rescuer may need to help another casualty, or be helped himself, whereas the original casualty is not going to make any other use of his own dressing. Because of this, it is important that soldiers know where to find their comrades' field dressings, and infantry units typically have their own SOP stating where they should be carried. British Army uniforms issued in the past included dedicated field dressing pockets. During the Great War, this pocket was in the front left skirt of the tunic, with the introduction of Battledress (1937), it was moved to the trousers, but the current clothing does not. Instead, a common locat