Watch Operación Úrsula. El misterio del submarino C-3 (2006) Online
- RUNTIME: 1h 45m
- Subtitles: Español
A missing submarine in Spanish Civil War leads to the first German Navy operation before WW2. Republican submarine C-3 was the victim of international secrecy and intrigues, after a torpedo from U-34 sunk it on December 12th 1936.
