Naval History and Heritage Command

Naval History and Heritage Command

Vice Admiral William S. Sims, Commander, United States Naval Forces Operating in European Waters, to Rear Admiral Henry B. Wilson, Commander, United States Patrol Sqaudrons Operating in European Waters

Subject Copy                                      File No.

Cablegram Sent 25 March 1918  JES

To  Confran Brest                             Serial No. 1436

Prep. by C1                     SX      D.R.

25 ADR             

 

­_VERY SECRET_

1436.  Owing to fact that submarines tend to operate in maximum numbers during moonlight periods as well as to advantages that submarines enjoy in delivering attacks on moonlight nights, I have requested Department to arrange sailings of convoys to pass through most dangerous areas during day<light> during a period of about six days on each side of full moon.1 1436. <14325.>

SIMS     

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

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