wrote twowar, o'kane calledone of them was "clear the bridge." the other was called "wahoo." in "clear the bridge, o'kane talks about tactics he employed in sinking enemy ships. one of the things they did fairly often, was get on the surface and sink ships in the middle of the night. they cannot see him. japanese had radar, but it was not like our radar. everything for them. they cannot detect american troops until the torpedoes started exploding. o'kane knew that, it was common knowledge and the use of that was the cruise benefit. on the fourth patrol, it was not as successful as the third, she sank five enemy ships and she was able to come home in one piece. ok, by this time he had made for patrols with the submarine and he had five or four aboard the previous submarine. he had seen a lot of action. the boss of the north pacific, admiral charles had told him that your next patrol, which was the fifth, was going to be his last. you have done your duty, it is time to go home to your wife and children. thank you, we'll find another job for you. but you have been enough. he was