| Navy | The US Navy |
| Type | Patrol craft |
| Class | PC-461 |
| Pennant | PC-604 |
| Built by | Luders Marine Construction Co. (Stamford, Connecticut, U.S.A.) |
| Ordered | 20 Sep 1941 |
| Laid down | 16 Feb 1942 |
| Launched | 24 Oct 1942 |
| Commissioned | 9 Mar 1943 |
| End service | 11 Jun 1943 |
| History | Transferred to Brazil on 11 June 1943 being renamed Guaíba. |
| Career notes | To Brasil as Guaíba |
Commands listed for USS PC-604 (PC-604)
Please note that we're still working on this section
and that we only list Commanding Officers for the duration of the Second World War.
| Commander | From | To | |
| 1 | L C Kuhn, USNR | 9 Mar 1943 | 11 Jun 1943 |
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