File talk:USN Lt. Cdr. Hugo W. Koehler in 1919.jpg
 | This file does not require a rating on Wikipedia's content assessment scale. It is of interest to the following WikiProjects: | |||||||||||||||||||||||||
| ||||||||||||||||||||||||||
Categories:
- File-Class military history articles
- File-Class biography (military) articles
- Military biography work group articles
- File-Class North American military history articles
- North American military history task force articles
- File-Class United States military history articles
- United States military history task force articles