![Submarine Pens,It's the only logical property for the update. A boat shack would be not only stupid, but idiotic for storage of loads of boats. So a submarine pen is the only Submarine Pens,It's the only logical property for the update. A boat shack would be not only stupid, but idiotic for storage of loads of boats. So a submarine pen is the only](https://preview.redd.it/4369jxpqgz061.jpg?width=640&crop=smart&auto=webp&s=86516114558bfffbd484658b6848eaf67f23e964)
Submarine Pens,It's the only logical property for the update. A boat shack would be not only stupid, but idiotic for storage of loads of boats. So a submarine pen is the only
![Bordeaux, France - View of the Bombproof World War 2 German Submarine Base and Pen in the Bacalan Waterfront Editorial Photo - Image of waterfront, docks: 235839361 Bordeaux, France - View of the Bombproof World War 2 German Submarine Base and Pen in the Bacalan Waterfront Editorial Photo - Image of waterfront, docks: 235839361](https://thumbs.dreamstime.com/z/bordeaux-france-view-bombproof-world-war-german-submarine-base-pen-bacalan-waterfront-bordeaux-france-nov-view-235839361.jpg)
Bordeaux, France - View of the Bombproof World War 2 German Submarine Base and Pen in the Bacalan Waterfront Editorial Photo - Image of waterfront, docks: 235839361
![WW2: St. Nazaire, France. German submarine in sub pen at St Nazaire when the Germans surrendered, is back from its 110 day trip in Japanese waters and ready for general overhaul. 13th WW2: St. Nazaire, France. German submarine in sub pen at St Nazaire when the Germans surrendered, is back from its 110 day trip in Japanese waters and ready for general overhaul. 13th](https://c8.alamy.com/comp/WHA239/ww2-st-nazaire-france-german-submarine-in-sub-pen-at-st-nazaire-when-the-germans-surrendered-is-back-from-its-110-day-trip-in-japanese-waters-and-ready-for-general-overhaul-13th-may-1945-WHA239.jpg)