If you want to wait and try to catch it on TV again, stop reading now.
They reviewed all types from WWI to present (nuclear).
The list is:
10. U.S. - George Washington Class
9. German - Type 31 Class
8. Russia - Typhoon Class
7. Japan - Type I400 Class
6. Britain - X-Craft
5. U.S. - Nautilus
4. Britain - T-Class
3. U.S. - Gato Class
2. U.S. - Seawolf Class.
Drum roll please......
1. - German - Type VII Class
Like we didn't already know.
