This experimental radio helmet was used by the United States military during the late 1950s and into the Vietnam War. It is made of plastic material similar to M-1 liners and had all types of communication equipment installed (batteries, transmitter, microphones, earphones).1 The interior suspension resembles that of a parachutist liner. The nomenclature inside the helmet dates it to 1956.
United States Cold War
Infantry Helmet 1956
Radio Corporation of America (RCA)
USH-62-0408