 funny 

army ace Asano hitoshi in his ki-27 1939, during a interview in 2006 he claimed to have killed a russian pilot using a katana sword!

Asano hitoshi 

captain Fujita in manchuria 1938, during the battle of nomonhan captain Fujita commanded a type 94 Anti-Tank gun, his regiment was able to stop many soviet tank attacks but they soon became out of ammunition and when russian tanks attacked again he decided to use his katana sword climbing in a russian t-26 tank turred and killing the tank commander but he was severely wounded in his arm by the  tank gunner, he recevied the order of the golden kite for his bravery in combat and expended the rest of the war as army instructor