Submarine warfare. Transfer on the high seas of important captured pap...
German Military Activities and Personnel Public domain photograph - German army, military forces during World War One, free to use, no copyright restrictions image - Picryl description
German submarine at Harwich, England
British Photographs of World War I Public domain photograph of British ship, free to use, no copyright restrictions image - Picryl description
German submarine at Harwich, England
British Photographs of World War I Public domain photograph - British army, military forces, during World War One, free to use, no copyright restrictions image - Picryl description
Camouflage - Ships - Submarine camouflaged like a sea serpent. Camoufl...
Date Taken: 3/12/1919 Photographer: Underwood & Underwood Camouflage - Ships Public domain photograph related to the United States in World War One, free to use, no copyright restrictions image - Picryl description
U-boat on its homeward cruise meets a German submarine coming to the s...
German Military Activities and Personnel Public domain photograph - German army, military forces during World War One, free to use, no copyright restrictions image - Picryl description