These were commercial vessels acquired for OWS duty
6 were 1920s steamers, 1 was a WYPc trawler.
Muskegat was a 1920s steamer lost to a German torpedo
Model: Yes
| Designation | Name | Class | Class | Hull | Service | Comments | Picture |
| USS/USCGC | Muskegat (ex Cornish) |
1923 Freighter 233 |
AG/WAG | 48 | 1941 – 1942 | Missing and presumed sunk by U-Boat Only OWS ship lost to enemy action |
CGH |
| USS/USCGC | Manhasset (ex Wilton) |
1923 Freighter 245 |
AG/WAG | 47/276 | 1942 – 1945 | NS | |
| USCGC | Sea Cloud | 1931 Bark 316 |
WPG/IX | 284 | 1942 – 1944 | Built in 1931 as E. F. Hutton’s 4 masted luxury bark Hussar II Bought by Joseph Davis, US Ambassador to Russia Acquired in 1942 for OWS duty Commanded by LT Carlton Skinner Skinner received permission to train minorities in rates other than steward Eventually 50 black enlisted and 2 officers served aboard Sea Cloud Skinner reported no loss in proficiency in the first experiment in integration at sea Returned to owner after the war |
CGH |
| USS/USCGC | Manasquan (ex Aetna) (ex Oscar J. Lingeman) (ex Lake Catherine) |
1918 Freighter 261 |
AG/WAG | 36/273 | 1942 – 1945 | First ship to receive LORAN transmissions at sea as part of test program |
Wiki |
| USCGC | Menemsha | 1918 Freighter 261 |
WAG | 274 | 1942 – 1945 | NS | |
| USS/USCGC | Monomoy (ex J. Floyd Massey) (ex Lake Arlene) |
1918 Freighter 261 |
AG/WAG | 40/275 | 1943 – 1945 | NS | |
| USCGC | Amethyst (ex Samona II) |
Deep Sea Trawler 147 |
WYPc | 3 | 1944 – 1946 | Ocean Weather Station | |
| USS/USCG | Asterion (ex USS Asterion) (ex Evelyn) |
1912 Freighter Misc AK 382′ |
AK/WAK | 100/123 | 1944 – 1946 | Freighter converted to Q-ship from 42 to 44 then to OWS duty |
NS |
| USCGC | Big Horn (ex Gulf Dawn) |
1936 Tanker 425 |
WAO | 124 | 1944 – 1945 | Civilian tanker turned Q-Ship turned OWS Note that she was NOT a T-2 tanker |
CGH |