Pervitin, essentially Amphetamine with a brand name, used to make people awake longer, walk longer, carry more, was called "Panzerschokolade" - "tank chocolate"

Pervitin, essentially Amphetamine with a brand name, used to make people awake longer, walk longer, carry more, was called "Panzerschokolade" - "tank chocolate" by German troops. Today, psychoactive stimulants are marketed as "Provigil" and regularly used by US troops, which is made responsible for more than one friendly fire incident.