Opening scene shows a U.S. Army M3 Lee tank moving toward the camera, with a crew of two women, one in the top turret and the other in the lower turret (which does not show a gun). Women war production workers are seen working on various war materiel manufacturing tasks. A woman uses a sewing machine. A woman loads powder into a shell and operates a machine press to compress it. Several women install noses on shells. Some work on large shell casings. Civilian women involved in testing the newly manufactured equipment. Women examine and test small arms. One tests fires a Browning M-19. 30 caliber machine gun. as others test fire rifles. A woman is seen test firing a Browning M-1917 heavy machine gun. A battery of Anti-aircraft guns is seen raising its barrels and firing. A woman manipulates the controls of one. Women hold their ears as they test fire a 90mm anti-aircraft gun. A team of women carries a part for an artillery piece and screw it in place. Two women carry racks of artillery shells, that they load into an anti-aircraft gun. As the gun is test fired, they and a soldier with them hold their ears. Women work with pneumatic tools on the tread of an M3 Lee tank. One uses a long wrench to tighten a bolt. A woman poses in the top turret of the M-3. Two others climb aboard and close the hatch behind them. With two crew members seen in hatches, the tank drives past the camera. Final image is a woman holding two large artillery shells. (World War II period)