Japan during World War II August to October 1938. By the time World War Two was in full swing Japan had the most interest in using biological warfare. Japan's Air Force dropped massive amounts of ceramic bombs filled with bubonic plague infested fleas in Ningbo, China. These attacks would eventually lead to thousands of deaths years after the war would end. In Japan's relentless and indiscriminate research methods on biological warfare, they poisoned more than 1,000 Chinese village wells to study cholera and typhus outbreaks.These diseases are caused by bacteria that with today's technology could potentially weaponised. Japan during World War II The Empire of
Military equipment of Sweden during World War II full payload. Number of bombers pre-war: 88 Number of bombers in 1939: 116 Number of bombers in 1940: 276 Number of bombers in 1941: 346 Number of bombers in 1942: 534 Number of bombers in 1943: 743 Number of bombers in 1944: 775 Number of bombers in 1945: 879 Military equipment of Sweden during World War II Sweden was formally a non-belligerent nation throughout World War II, but saw considerable military build-up as the level of threat from the Soviet Union or Nazi Germany increased. Between 10,000 and 20,000 Swedes fought as volunteers abroad, a majority of them in service