Lookout Air Raids, the only direct Axis air attack on the continental United States Nakajima G10N Fugaku design, a Japanese bomber capable of attacking continental North America Northrop YB-35 and Convair B-36 — American long-range World War II-era-conceived, piston-engined heavy bomber designs meant to reach Germany directly from North America. Project Z, a Japanese proposal that paralleled the Amerikabomber Hitler's plans for North America