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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


Date <6>/3/18.

To Opnav.

Prepared by A.C.1     Approved          Code      No. 8956.


8956 My 7289.2 Departments cable 46943 noted as this submarine is believed to be U-151.Naval Intelligence has other information concerning Mexican situation.4 8956 18203


Source Note: Cy, DNA, RG 45, Entry 517B. The original date was crossed through and a date written above it. The cross-through makes it impossible to determine the first number in the original date. Identifiers in top right-hand corner: “16-15-26” and in columnar fashion: “J/1/5.”

Footnote 1: “A.C.” has not been further identified.

Footnote 2: See: Sims to Josephus Daniels, 30 April 1918. It concerns German cruiser submarines.

Footnote 3: See: William S. Benson to Sims, 6 April 1918. It reports that U-151 is going to Mexico with arms on a military mission.

Footnote 4: The “other information,” referred to is not known.

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