There is another Colonel Question, this time from Andrew: "My question is as follows: Did the major powers in the European theater (US, UK, USSR, Germany) have standard operating procedures for recycling those piles of artillery shells we see in pictures from so many wars from WWI onward? Or was the metal just buried, or recycled or not recycled as a local commander saw fit?" »» SUPPORT MHV «« » patreon - https://www.patreon.com/join/mhv » paypal donation - https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=TFHEY4P4YU3NY »» MERCHANDISE - SPOILS OF WAR «« » shop - https://www.redbubble.com/people/mhvis/shop »» SOCIAL MEDIA «« » minds.com - https://www.minds.com/militaryhistoryvisualized » facebook - https://www.facebook.com/milhistoryvisualized/ » twitter - https://twitter.com/MilHiVisualized » twitch - https://www.twitch.tv/militaryhistoryvisualized » SOURCES « Gropman, Alan: Big L – American Logistics in World War 2 FM 6-20, Field Artillery Manual, January 2, 1941 Brown, Ian Malcolm: British Logistics on the Western Front: 1914-1919 Scott, Beth F.: The Logistics of War – A Historical Perspective Thorsheim, Peter: Waste into Weapons: Recycling in Britain during the Second World War Das Deutsche Reich und der Zweite Weltkrieg – Band 5 / 1 Das Deutsche Reich und der Zweite Weltkrieg – Band 5 / 2 Germany and the Second World War Volume 5 / 1 Germany and the Second World War Volume 5 / 2 Cambridge History of the First World War Cambridge History of the Second World War Christel Bukowski; Andrea Hartmann; Uwe Petersn; Dieter Vaupel; Christine Wiechmann: Hirschhagen Sprengstoffproduktion im Dritten Reich