SM U-139
Videos
SM U-139 was the lead ship of her class of cruiser submarines serving in the Imperial German Navy in World War I. She was commissioned on 18 May 1918 under the command of Lothar von Arnauld de la Peri
German U-boat U-139
Weather flag of SM U-139 at the National Museum of the United States Air Force.
Cruiser submarine
Videos
A cruiser submarine was a very large submarine designed to remain at sea for extended periods in areas distant from base facilities. Their role was analogous to surface cruisers; cruising distant wate
SM U-139
…SM U-139 was the lead ship of her class of cruiser submarines serving in the Imperial German Navy in World War I. She was commissioned on 18 May 1918 under the command of Lothar von Arnauld de la Perière, who named…
Surcouf had the largest guns of any cruiser submarine.