Vice Admiral William S. Sims, Commander, United States Naval Forces Operating in European Waters, to the Office of the Chief of Naval Operations
CABLGRAM SENT. Feb. 28, 1918. TOM.
To Opnav Washington Ser.No. 4544
Prep. by Q-1 Code 24 ADR
V E R Y S E C R E T
4544. British official return shipping losses for week ending 25 February reports as sunk 71,120 gross tonnage Allied and Neutral ships, as damaged 9,951 gross tonnage British ships 21328
Source Note: Cy, DNA, RG 45, Entry 517B. Document identifier at top of page: “[11-9-C?]”; and in columnar fashion: “1/3/C/Z.” Both identifiers have been crossed through and are difficult to read.