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

Subject Copy.                             File No. <4-18-3>

Cablegram Sent August 21 1918 EJW1

To   Opnav Washington.                       Serial No. 3307

Prep. by A-1                       SX D.R.



3307.     U.S.Naval Northern Bombing Group commenced offensive operations night of August 15, dropping 1250 pounds explosive on enemy submarine docks at Ostend.3 212721  3307.


Source Note: Cy, DNA, RG 45, Entry 517B.

Footnote 1: Initials of the transcriber.

Footnote 2: Designation for the code used on this transmission.

Footnote 3: For more on this operation, see, Rossano and Wildenberg, Striking the Hornet’s Nest: 172-174.