| Navy | The US Navy |
| Type | Motor torpedo boat |
| Class | Higgins 78' |
| Pennant | |
| Built by | Higgins Industies (New Orleans, Louisiana, U.S.A.) |
| Ordered | 6 May 1944 |
| Laid down | 7 Sep 1944 |
| Launched | 19 Oct 1944 |
| Commissioned | 12 Apr 1945 |
| End service | Jun 1945 |
| History | Transferred to the Soviet Union in June 1945 being renamed TK 864. |
| Career notes | To the Soviet Union as TK 864 |
We don't have any commands listed for USS PT 638
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