How radio equipment helped to win World War II. Voice Of Victory is pretty much a special interest euphemeral film, as this is primarily details the assembly of a radio transmitter for war time usage. If your an owner of the hallicrafters HT-4 or the mitary version, BC-610 transmitter, this movie segment and part two provide a great overview. Shown are the roots of the model based in the HT-4 and how it was modified for military service. The popularity of the radio is signified by the 25,000 units produced by hallicrafters and other allied companies. Their effort was appreciated by both American and overseas armies during World War Two. Hearing of ham radio operators in Europe that obtained one is not unusual.