Dornier Do-335 – a heavy fighter with the push-pull configuration Focke-Achgelis Fa 269 – a planned tilt-rotor VTOL fighter Focke-Wulf Ta 152 – a high-altitude interceptor Focke-Wulf Ta 400 – a planned Amerika Bomber candidate with six radial engines and two jet engines with a range of 13,000 km in bomber configuration Heinkel He 111Z – a five engined Zwilling (twin)-fuselage aircraft created by combining two He 111s and designed to tow large gliders Heinkel He 274 – a high altitude heavy bomber with four in-line engines with a range of 3,440 km, two completed by France after the war Heinkel He 277 – a planned, advanced long-range bomber design, designated by RLM by February 1943, inheriting many He 219 prototype design features during its evolution but never built as a complete aircraft, evolved to be an Amerika Bomber candidate, to be powered with four BMW 801 radial engines and up to 11,000 km range Junkers Ju 390 – an Amerika Bomber candidate with six radial engines with a range of 9,700 km, two airworthy prototypes built and flown Junkers Ju 488 – a heavy bomber with four radal engines with a range of 3,395 km Messerschmitt Me 264 – an Amerika Bomber candidate with four inline or radial engines and a range of 15,000 km, three airworthy prototypes built and flown Messerschmitt Me 323 "Gigant" (Giant) – a heavy transport with six engines, adapted from the Me 321 giant troop glider