U.S. Combat Helmets of the 20th CenturyThis book represents nearly a decade of research into the history of U. S. production combat helmets. Covered are the standard ground helmets, parachutist helmets and helmet covers. Every major production helmet version is presented in full color photographs, including detail shots and production markings.[AuthorName]By (author) Mark A. Reynosa[ AuthorName][AuthorBio][ AuthorBio][NumIllustration]over 250 color and b w photographs[