Japanese flying ace Captain Masaji Kobayashi holds the American B-17 bomber model in hand, with which he instructed his pilots during World War II.
Japanese pilots were trained with the help of a real aircraft B-17E, which was captured in Java in early 1942.
Enhanced training in action against American bombers carried out in connection with the incoming information on the construction of advanced US bases in China, and the assumption that the B-29 attack on northern Kyushu.