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
Second Battle of El Alamein that his army could not properly be supplied so far from the ports of Tripoli and Benghazi. Rommel pressed ahead with his advance to Alamein and as predicted, supply difficulties limited the attacking potential of the axis forces. According to Remy, Hitler and Mussolini put pressure on Rommel to advance. Rommel had been very pessimistic, especially after the First El Alamein and knew that as US supplies were en route to Africa and Axis ships were being sunk in the Mediterranean, the Axis was losing a race against time. On 27 August, Kesselring promised Rommel that supplies would arrive in