Vice Admiral William S. Sims, Commander, United States Naval Forces Operating in European Waters, to the Office of the Chief of Naval Operations
File No. 11-1-5
CABLEGRAM SENT 7 July 1918, RES
To Opnav Washington Serial No. 758
Prep by O-1 SX
S E C R E T .
758. Proposals will be submitted in a few days for sailing convoys from European Waters to North America, also convoys between North America and Gibraltar and return.
Convoys not to be put into operation unless activities of latest type cruiser submarine make it desirable. 21107 758.
Source Note: Cy, DNA, RG 45, Entry 517B.