M3A1 half-track with 500 pound speaker, capable of projecting sounds as far as 15 miles. Used by the US 23rd Headquarters Special Troops, aka the Ghost Army, for sonic deception, 1944
M3A1 Half-track from the “Ghost Army” 1944
M3A1 half-track with 500 pound speaker, capable of projecting sounds as far as 15 miles. Used by the US 23rd Headquarters Special Troops, aka the Ghost Army, for sonic deception, 1944