Iron ore being offloaded from a ship, in large steel buckets, on to a flat car, at a port. A large crane dumping ore into a large open railroad container car, during World War 1. Coke being discharged after being processing from coal, at a steel plant. A traveling crane conveying a large container of raw material to the top of a furnace at a steel plant. Fire emitted from a crucible at a steel plant. An ingot being forged. Sequence shifts to views inside an Italian heavy artillery factory, where an annealing wrap is being lowered around a large gun barrel and heated with a gas fire. Huge gun barrels seen on machining floor. Machinists turning gun barrels on very large lathes. View through a gun barrel showing its spiral rifling. Machinists in a crowded shop where all machines are driven by leather belts. More views of gun barrels being turned on lathes. A man seated at the controls of a huge milling machine that revolves around the work piece, fastened to the machine bed.
Italian SSB 2-man torpedo hoisted in a crane hook. View of controls in the cockpit of the SSB torpedo. Pilots in the cockpit of the SSB underway in water. Crew put on their scuba type face masks. SSB torpedo dives under the water surface. Torpedo comes on the surface and alongside a merchant ship. The Captain remains in the cockpit and the 2nd man gets off the torpedo. He fastens a clamp to the keel of taget ship and then pulls a warhead from the torpedo and fastens it to the target ship. He climbs back aboard the the SSB and they pull away.
Italian campaign in World War 2. German gunners firing Krupp 17 cm Kanone 18 guns (one labeled "A" and the other "B"). Captured American prisoners of war (POWs) climb down from a truck. Next, large numbers of Allied POWs, including Americans, British, and British Colonial troops, are seen marching along a road. Film focuses on several captured Indian soldiers.
The Battle of Monte Cassino.. B-26 medium bombers of the U.S. 12th Air Force bomb German positions at Monte Cassino, during World War II. Formations of B-26s are seen. Explosions of bombs occur in rapid succession as they strike the targets.
The Italian Campaign in World War II. On the Road to Rome. Allied soldiers guard Axis prisoners of war inside a makeshift stockade. Allied soldiers search the prisoners. The prisoners climb onto a military truck. A line of Sherman tanks advances along the road.
Views of the city of Pompeii taken from a military light plane flying overhead. Buildings in Pompeii.