USS PT-128 was a motor torpedo boat of the United States Navy. She is named in two actions of the Pacific war, the Battle of the Bismarck Sea in March 1943 and the Battle of Surigao Strait in October 1944.
The Battle of the Bismarck Sea is dated 2 March 1943. Aircraft made the Allied attack that sank the convoy. The motor torpedo boats came in after dark.
On the night of 3-4 March 1943, PT-128 attacked the wrecks left in the Bismarck Sea. That night attack is her part in the battle, carried out against ships the air attack had already sunk.
On the night of 24-25 October 1944 she was on the Surigao Strait patrol. She went out with the other motor torpedo boats assigned to watch the strait through that night.
The Battle of Surigao Strait is dated 25 October 1944. PT-128's place in it was that motor torpedo boat patrol, the same night duty that put her on the strait as the battle was fought.