The suicide attack was also an accepted method of fighting and this is largely attributed to Japan's highly militaristic society as demonstrated by the samurai system with its bushido code, which established a legacy that honors and idealizes self-sacrifice.
The Yokosuka MXY-7 Ohka (櫻花, "cherry blossom") was a purpose-built kamikaze aircraft employed by the Imperial Japanese Navy Air Service towards the end of World War II.
It was a small flying bomb that was carried underneath a Mitsubishi G4M2e "Betty", Yokosuka P1Y Ginga "Frances" (guided Type 22) or planned Heavy Nakajima G8N Renzan "Rita" (transport type 33) bomber to within range of its target; on release, the pilot would first glide towards the target and when close enough he would fire the Ohka's engine(s) and dive onto the ship to destroy it.
The Mizuno Shinryū (神龍, "Divine Dragon") was a proposed rocket-powered kamikaze aircraft designed for the Imperial Japanese Navy towards the end of World War II.
The Nakajima Ki-115 Tsurugi (剣, "Sword") was a one-man kamikaze aircraft developed by the Imperial Japanese Army Air Force in the closing stages of World War II in late 1945.
The Kawanishi Baika (梅花, "Ume Blossom") was a pulsejet-powered kamikaze aircraft under development for the Imperial Japanese Navy towards the end of World War II.
When the sub was raised, a note written during his final minutes before death was found, sending his respects to his family and detailing the cause of the accident and how to repair the defect.
The Kairyū (海龍, "Sea Dragon") was a class of Suicide midget submarines of the Imperial Japanese Navy, designed in 1943–1944, and produced from the beginning of 1945.
Suicide divers (伏龍, Fukuryū, "Crouching dragons") were a part of the Special Attack Units prepared to resist the invasion of the Home islands by Allied forces.