Land mine invention by the Polish officer Józef Kosacki. His invention, known as the Polish mine detector, was used by the Allies alongside mechanical methods, to clear the German mine fields during the Second Battle of El Alamein when 500 units were shipped to Field Marshal Montgomery's Eighth Army. The Nazis used captured civilians who were chased across minefields to detonate the explosives. According to Laurence Rees "Curt von Gottberg, the SS-Obergruppenführer who, during 1943, conducted another huge anti-partisan action called Operation Kottbus on the eastern border of Belarus, reported that 'approximately two to three thousand local people were blown up in
El Alamein: The Line of Fire won’t go without them, Rizzo forces him to leave. Serra promises that he will find a vehicle and come back for them, then he departs. The film closes on Serra riding away on the motorcycle, while Rizzo waves him farewell and watches as he disappears in the distance. A final sequence informs about the Battle of El Alamein and is followed by images of the Italian War Memorial at El Alamein. Here, an aged Serra watches the tombs of Rizzo, Fiore, Spagna and De Vita. El Alamein: The Line of Fire El Alamein - The Line of Fire (, also