Tolong jelaskan mengenai Pautan luar dari U-Boot dalam bahasa melayu

TheSubPen The Sub "Pen." Your Home for Submarine and U-boat History. Good for research, curiosity and fun.

uboat.net Comprehensive reference source for WW I and WW II U-boat information.

uboat-bases.com The German U-boat bases of the WW-II in France : Brest, Lorient, St-Nazaire, La Rochelle, Bordeaux.

ubootwaffe.net Comprehensive reference source for WW II U-boat information.

US Naval Institute award winning INSIDE THE U-BOAT PENS, describing the construction and operation of the five U-boat bases along the Bay of Biscay in France. Photos, diagrams, including visit to Admoral Donitz unknown command and control chateau in Lorient, France.