These are the bags issued to CLS's in the US Army. The patented TC3®-V2/CLS are Combat Casualty Care Bag version 2 and they were specifically designed by Recon Mountaineer®, LLC Products for Combat Lifesavers. It was designed as a First Responder system that ensures the right amount and type of equipment is carried and utilized. This bag DOES NOT contain any first aid items inside of it. A must for any individual who wants a solid first aid bag for hiking, everyday readiness, disaster prep.