"The Nakajima Ki-49 Donryu (\u4E2D\u5CF6 \u30AD-49 \u5451\u9F8D) \"Dragon Eater\" Army Type 100 Heavy Bomber Model 1 was a Japanese heavy bomber of World War II, although regarded as a medium bomber by the US. It was a twin-engine, mid-wing, cantilever monoplane of all-metal construction fitted with a retractable tailwheel undercarriage. During World War II, it was known to the Allies by the reporting name \"Helen\"."@en . "1941Z"^^ . "819"^^ . "1944Z"^^ . . . . . .