You might think that all you have to do in order to drill a hole or drive a fastener is pull the trigger, but there's a bit more to it than that. Some of these numbers and symbols are directly ...
In 1964, the hat was reintroduced to become a proud symbol of the drill sergeant. The female drill sergeant hat came into being in 1972. It was designed by Brig. Gen. Mildred C. Bailey.