
| IX | Name | Acq. | Builder | Keel | Launch | Commiss. |
| 227 | GAMAGE | -- | Oregon SB | 24 Jul 43 | 12 Aug 43 | -- |
| 229 | INCA | 30 Jul 45 | California SB | 8 Feb 43 | 8 Mar 43 | 30 Jul 45 |
| IX | Name | Decomm. | Strike | Disposal | Fate | MA Sale |
| 227 | GAMAGE | -- | -- | 21 Jul 45 | Canc. | 2 Feb 48 |
| 229 | INCA | 8 Feb 46 | 12 Mar 46 | 6 Apr 46 | MC | 10 Feb 48 |
| IX | Name | MC | Notes |
| 227 | GAMAGE | 206 | Ex merc. HENRY L. ABBOTT. Mined in Manila Bay 1 May 45 in the engine room. Acquisition by Navy as GAMAGE (IX-227) cancelled by CNO 21 Jul 45. To buyer 3 Mar 48, scrapped at Hong Kong 1951. Name and hull number assigned ca. August 1945 to INCA (IX-229) but notification not received until January 1946. Navy actions relating to the ex-W. B. ALLISON dated after mid-January 1946 referred to her as GAMAGE (IX-227). |
| 229 | INCA | 724 | Ex merc. WILLIAM B. ALLISON (completed 24 Mar 43). Torpedoed by Japanese aircraft 25 May 45 in Buckner Bay, Okinawa. To Navy at Okinawa. Grounded in typhoon at Okinawa 9 Oct 45. To MC at Okinawa 1946 as WILLIAM B. ALLISON. To buyer there 19 Feb 48, scrapped prior 31 Jan 52. Navy actions relating to this ship dated after mid-January 1946 referred to her |