The Yokosuka D4Y Suisei, nicknamed "Judy" by the Allies, was a capable dive bomber serving the Imperial Japanese Navy. Inspired to the German He.118, the D4Y design was lighter, stronger, more advanced in its structure and aerodynamics, and this airplane was used in all of the most famous battles of the Pacific. The D4Y was very fast, greatly appreciated quality for a dive-bomber, but some reliability problems with the engine slowed its use. The D4Y was also used with success as a reconnaissance aircraft and for kamikaze missions.

Yokosuka D4Y1 Suisei (Kokutai 121)
Kokutai 121 fought during Battles of the Marianas, showing pride and courage, yet suffered great losses during the Battle for Peleliu.