U-20
| Drawing Information: | |
|---|---|
| Category: | Real Designs |
| Country: | Austria-Hungary  |
| Type: |
Submarine 
|
| Class: | U-20 (Havmanden) |
| Ship: | U-20 |
| Operator: | Military |
| Date Depicted: | 1917 |
| Date Submitted: | Sep 29, 2018 |
| Last Revised: | May 8, 2023 |
| View(s): | Starboard Elevation |
| Author(s): | PomboCZ, |