WW2 US ARMY SPECIAL PURPOSE WATERPROOF BAG. As early as 1943 a series of Special Purpose Bags were developed by the Quartermaster Corps and introduced for use in Amphibious Operations. The basic reason was to develop Waterproof Bags to protect special Signal Corps radio equipment against natural elements, such as rain, spray, and immersion during Amphibious and other Landing Operations. A number of Bags, Waterproof, Special Purpose, were therefore designed and introduced.
They came in a variety of shapes and dimensions, intended to protect specific types of equipment. For ...