With the dramatic exception of USS Nautilus, U.S. submarines made a poor showing at the Battle of Midway. However, with more experienced and aggressive commanders, better torpedoes, newer boat designs and growing numbers, the tide turned. By war’s end, the submarine force, representing less than two percent of the Navy, accounted for fifty-five percent of Japan’s maritime losses. This achievement came at high cost – nearly 3,500 U.S. submariners perished during the war, over twenty percent of those who made patrols. This was the highest casualty rate for any branch of the U.S. military. May those brave men be … never forgotten! Excerpt from The Search for the Japanese Fleet.