According to Wiki (the article is well cited), it was given freely to German soldiers. No mention of American troops. For that I'm grateful. Here's a quote: "One of the earliest uses of methamphetamine was during World War II when the German military dispensed it under the trade name Pervitin.[6] It was widely distributed across rank and division, from elite forces to tank crews and aircraft personnel. Chocolates dosed with methamphetamine were known as Fliegerschokolade ("airmen's chocolate") when given to pilots, or Panzerschokolade ("tank chocolate") when given to tank crews. From 1942 until his death in 1945, Adolf Hitler may have been given intravenous injections of methamphetamine by his personal physician Theodor Morell as a treatment for depression and fatigue. It is possible that it was used to treat Hitler's speculated Parkinson's disease, or that his Parkinson-like symptoms which developed from 1940 onwards resulted from using methamphetamine.[7]" from en.wikipedia.org