How did the crew of the Surcouf operate its gun turret? Was the interior watertight and accessible from the interior of the submarine while submerged? Did the guns require tampions for every
French battleship Richelieu - Wikipedia
Richelieu class battleships (1940)
HMS London - War Thunder Wiki
French submarine Surcouf - Wikiwand
![The French battleship 'Richelieu' is listing as she passes Brooklyn Bridge in New York's East River, heading for repairs at a US Navy yard, 1942.[2835 × 3747] : r/WarshipPorn](https://i.redd.it/qr6kbw1gfiq51.jpg "The French battleship 'Richelieu' is listing as she passes Brooklyn Bridge in New York's East River, heading for repairs at a US Navy yard, 1942.[2835 × 3747] : r/WarshipPorn")
The French battleship 'Richelieu' is listing as she passes Brooklyn Bridge in New York's East River, heading for repairs at a US Navy yard, 1942.[2835 × 3747] : r/WarshipPorn
Saphir-class submarine (1928) - Wikiwand
Would have been possible in the interwar period to develop a cruiser submarine i.e. an heavy armored and heavy armed ship with a really low profile but able to stay underwater for
French battleship Richelieu - Wikipedia
French battleship Jean Bart (1940) - Wikipedia
Sabang, Sumatra Imperial Navy Submarine and IJNAF Air Base and Marine Oil Terminal, Bob Hackett
![French battleship Richelieu under the Brooklyn Bridge in New York, February 1943 [1389 x 1095] : r/WarshipPorn](https://c2.staticflickr.com/2/1507/26544189352_9014f6326c_o.jpg "French battleship Richelieu under the Brooklyn Bridge in New York, February 1943 [1389 x 1095] : r/WarshipPorn")
French battleship Richelieu under the Brooklyn Bridge in New York, February 1943 [1389 x 1095] : r/WarshipPorn
File:U.S. Naval Submarine Base, New London Submarine Escape Training Tank, Albacore and Darter Roads, Groton, New London County, CT HAER CONN,6-GROT,3A- (sheet 3 of 3).png - Wikimedia Commons
French battleship Richelieu - Wikipedia
Piececool 3D Metal Puzzles for Adults, Military Submarine Metal Model Building Kits for Stress Relax, Great Christmas Birthday Gifts : Toys & Games - Amazon.com
French battleship Richelieu - Wikipedia
French battleship Richelieu - Wikipedia
River (Thames) class submersibles (1932)
