Vice Admiral William S. Sims, Commander, United States Naval Forces Operating in European Waters, to the Office of the Chief of Naval Operations
DISPATCH SENT. 16-15-26
Date 17 August 1918.
To Opnav. Washington.
Prepared by N-5 Approved N.C.T. Code 46 ARD No. 3112
3112. We have reason to believe that U-157 has laid mines or intends to lay them neighborhood of Azores. Recommend that two mine sweepers be sent to Azores as soon as practicable. 3112. 190217.
Source Note: Cy, DNA, RG 45, Entry 517B. Document identifier: “J/K/1/3/4” appears to the right of the date.