On the morning of Sunday, December 7, 1941, The attack on Pearl Harbor was a surprise military strike conducted by the Japanese navy against the United States' naval base at Pearl Harbor. When fire you must pay attention to calculate the bullet's lead, then you can shoot enemy's airplane accurately; the bullet may also disturb the enemy airplanes, enables the enemy airplanes difficult to aim, fire; More over you must keep fire the Attack airplane with 97 types of the torpedo, you need to shoot down it before its launching the torpedo. Good luck!