The return to Pearl Harbor

On the radio was given the task: not to let anyone across the bay to the island and, if necessary, and to destroy. You faithfully fulfilling their duties, notice how many planes are flying in the direction of precisely the island that you need to protect. And a warning message that it is better to leave does not help. Well, now you have only one thing: go forward, not letting them go, shoot them knocking, and watch as they fall into the water.