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Ships - U-70

U-70, a German submarine, served as an escort to SMS Greif on February 27, 1916.
Escort service provided Greif with a way to observe and avoid ships of the British blockade. Sailing many miles ahead of the escorted ship, the submarine sailed with its deck awash, which made the boat practically invisible to other ships. Crewmen on the submarine were able to observe blockade ships in safety. Preset radio codes were used to pass information of the presence and location of these ships. Escorted vessels could then alter course to avoid the blockade ships.
Submarines doing escort work were not to engage the enemy. Their sole purposes were to observe and communicate any sightings. If significant enemy ships were encountered they were to radio the situation, submerge and return to Germany.
On escort duty the crew of the submarine would not likely see the escorted vessel during the voyage.

U-70 was built by Germaniawerft, at Kiel, Germany and commissioned on September 22, 1915. She was 226 feet in length, displaced 791 tons with a surface speed of 16 knots and a submerged speed of 10 knots. She had 4 bow and 1 stern torpedo tube. A 105-mm naval cannon was mounted on the deck.
U-70 sailed under the command of Kapitanleutnant Otto Wuensche with a crew of 35.
Following the war, U-70 was ceded to England as war reparations and broken up at Borrowstounness, Scotland in 1919.

SMS Greif
Naval Ranks
Ship Tonnage

RELATED WEB SITES: A site dedicated to German U-boats.
Das Bundesarchiv Official German war records archive site.

RAIDERS OF THE DEEP, by Lowell Thomas.

Last Revision: March 4, 2007.
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