O. B. Jennings
| Name | O. B. Jennings |
| Type | Tanker |
| GRT | 10,289 tons (one of the largest ships hit) |
| Country |  American |
| Built | 1917 |
| Builder | Newport News SB. & DD. Co., Inc., Newport News, VA |
| Operator | Standard Oil Co. (New Jersey), Bayonne, NJ |
| History |
U-boat attacks on Tanker O. B. Jennings
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 4 Aug 1918 | U 140 (Waldemar Kophamel) | Sunk | 100 miles off the Virginia coast | 36° 40'N, 73° 58'W | Plymouth - Newport News | 2 | |
| 1 taken prisoner. | ||||||||
Position of attack on O. B. Jennings
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