As Ikeda waved the Japanese flag, the elite tanks of the "Samurai Spirit Unit," nicknamed the "Samurai Spirit Unit" because the number eleven can be read as "samurai," roared and charged into the invading enemy hordes.
Counterattack with tanks from the disarming regiment, with Mt. Shirei becoming the fiercest battlefield.
The battlefield was apparently shrouded in thick fog at the time, and Soviet soldiers jumped onto tanks with grenades in hand, while Japanese tank crews returned fire with pistols, resulting in close-quarters melee.