It was initially issued to mechanics and engineers during WWII. During World War II, when used as a working cap for land mechanics, the flat and wide brim was a feature of the cap, which effectively shielded the sun. The simple yet functional design of the A-3 Cap grew in popularity, which led to it being used by other parts of the US Military.
It was initially issued to mechanics and engineers during WWII. During World War II, when used as a working cap for land mechanics, the flat and wide brim was a feature of the cap, which effectively shielded the sun. The simple yet functional design of the A-3 Cap grew in popularity, which led to it being used by other parts of the US Military.
