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Admiral William S. Benson, Chief of Naval Operations, to Vice Admiral William S. Sims, Commander, United States Naval Forces Operating in European Waters

Action Copy                                    File No. 16/5/7 C

CABLEGRAM RECEIVED  <August 24, 1918.>  ALS

Origin Opnav Washington                           Ser. No. 299

Ref’d to       Date

  N-1          24 Aug

B                         CONFIDENTIAL


299 Submarine which was operating off Chesapeake Cape and which sank Norwegian Bark NORDHAV Aug. 17th identified as U-117. Description follows new large mine layer improvement U-70 class, length 262 feet beam greater then that of cruiser.

Armament reported to be 1-5.9 gun forward, 1-4.1 gun aft, 3-22 pounders in echelon abreast conning tower (port gun being foremost of the two within radius, 45 mines, possibly 22 torpedoes probably 4 torpedo tubes. Maximum speed surface probably not greater than 13 knots submerged speed about 8 knots for 1 hour. Has large radius of action and is xxxxxxxx capable of remaining at sea five months 01124 299


925 AM Aug.24, 1918.    

Source Note: Cy, DNA, RG 45, Entry 517B. Document reference: “J/1/3.”

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