However, Osugi decides to sort for the survival of his unit. By late September, the seaplane carrier Wakamiya loaded up the biplanes on the deck, became the world's first aircraft carrier and headed for Qingdao. And finally, it's time for the first operation to destroyed the fortress. The Mo-type seaplane on which Osugi and Kunii were piloting was not in time for the bomb, and while bricks and five-inch nails, it started with the enthusiastic farewell of the crew. 