Submariner dolphins insignia; USS Columbia (SSN-771); ship's 15th year; [Navy]
| Image2 | |
| City | Groton |
| State | CT |
| Subject | Military |
| Description | Submariner dolphins insignia; USS Columbia (SSN-771); ship's 15th year; [Navy] |
| Year | 2010 |
| Month | 10 |
| Day | 9 |
| Color | black |
| Notes |