スリガオ海峡
On 24 October 1944, Oldendorf was the commander of Task Group 77.2 at the Battle of Surigao Strait. Oldendorf who was aboard his flagship USS "Louisville" which led the defeat of the Japanese Southern Force. He deployed his powerful force of battleships and cruisers in a classic battle line formation across the Surigao Strait, crossing the T of his opponent. The Japanese battleships and were sunk, and Vice Admiral Shoji Nishimura was killed. Oldendorf's action prevented the Japanese from bringing their battle fleet into Surigao Strait and attacking the beachheads on Leyte Island. He later explained his tactics to the "New York Times": "My theory was that of the old-time gambler: Never give a sucker a chance." For this action, Oldendorf was awarded the Navy Cross. In 1959 Admiral Oldendorf provided commentary on his planning for the battle: