Equipment losses in World War II Equipment losses in World War II Equipment losses in World War II or Matériel losses in World War II refers to military equipment destroyed during World War II, the deadliest and most costly war in the history of the world. On the Western Front in 1944–1945, 4,477 British Commonwealth tanks were destroyed, including 2,712 M4 Sherman tanks, 656 Churchill tanks, 609 Cromwell tanks, 433 M3 Stuart light tanks, 39 Cruiser Mk VIII Challenger tanks, 26 Comet tanks, 2 M24 Chaffee light tanks. From June 6, 1944 through May 15, 1945 for US tank and tank destroyer losses in the European
Opposition to the war in Afghanistan (2001–2014) entering an eleventh year on October 7, 2011 and marking for the U.S. the longest period of sustained warfare in its history – greater than the time the United States was involved in World War I, World War II and the Korean War combined.<ref name="War and Sacrifice in the Post-9/11 Era"></ref> The war in Afghanistan surpassed the length of official U.S. participation in the Vietnam War, 8 years and 5 months, in the spring of 2010 to become the longest-running U.S. war ever. According to a study by the RAND Corporation, an American think tank working for the U.S. military,