TheYokosuka MXY-7Ohka (櫻花 "cherry blossom") was a type ofairplanerocket, used forsuicide attacks by theEmpire of Japan in the last months ofWorld War II. TheUnited States gave the aircraft the nameBaka (Japanese for "stupid").
It was carried by abomber that dropped it when close enough to an enemy ship. The pilot guided it to crash with the target. When dropping down, it could go so fast that it was almost impossible to stop it. The operational record of Ohkas used in action includes three ships sunk and three other ships with great damage.