Nakajima G5N Shinzan
The Nakajima G5N Shinzan (深山, deep mountain) was a four-engined, long-range heavy bomber designed and built for the Imperial Japanese Navy prior to World War II. The Navy designation was "Experimental Type 13 Attack Bomber"; the Allied code name was "Liz". == Design and development == The Nakajima G5N Shinzan originated due to the Imperial Japanese Navy's interest in developing a long-range attack bomber capable of carrying heavy loads of bombs or torpedoes a minimum distance of 3,000 nmi (5,600 km; 3,500 mi).