SS-17 D-1 Narwhal
Ships | ||||||
| Hull No. | Ship Name | Laid Down | Launch | Comm | Status | |
| SS 17 | NARWHAL | 4/16/1908 | 4/8/1909 | 11/23/1909 | Sold for scrap, Apr 1922. | |
| SS 18 | GRAYLING | 4/16/1908 | 6/16/1909 | 11/23/1909 | Sold for scrap, Sep 1922. | |
| SS 19 | SALMON | 4/16/1908 | 3/12/1910 | 9/8/1910 | Sold for scrap, July 1922. | |
