Turkiye Shipwrecks, Turkey Ship Wrecks
New London Harbors a German Submarine During World War I – Who Knew? - Connecticut History
The history of submarine warfare off the Jersey coast - WHYY
Exclusive: Wreck of fabled WWI German U-boat found off Virginia
Shipwreck enthusiasts plan hunt for first U-boat sunk by US Navy in WWII - Duluth News Tribune
Das U-Boot in Farbe - U-152 in the ice field U-152 was a Type IID U-boat and her keel was laid down on 6 July 1940 by Deutsche Werke in Kiel as
German WW1 U-boat found off the coast of Shetland - BBC News
World War I-era German Submarine Discovered in US Waters; Found 100 Years After Sinking 1,600 Feet Deep To Seabed
U-23 Uboat Submarine Wreck
Interesting Story Of The German U-Boats And Brought To The Black Sea From The Land - HubPages
Scuttled Nazi submarine U23 to boost diving tourism in NW Turkey
