Vice Admiral William S. Sims, Commander, United States Naval Forces Operating in European Waters, to Secretary of the Navy Josephus Daniels
Sent June 15th,1917.
To Secretary of the Navy (Operations)
Mine laying in last few days particularly yesterday indicates that enemy is giving particular attention to our forces (stop) Queenstown harbour entrance, Berehaven and Shannon River mined and unusual mining activity along south western shore line Ireland (stop) British mine sweeping forces strained severely to meet situation (stop) About five hundred mines total swept up during past month. (stop) Queenstown was mined night before DIXIE’S arrival (stop)
Submarines are attempting to torpedo escorted ships but presence of escort <seven eight destroyers> causes wild shooting from long range and hence results are not good (stop) Two large torpedoed ships towed into Queenstown having been struck in bow and stern <last two days>
Source Note: Cy, DNA, RG 45, Entry 517B. Portions of the second paragraph were crossed out and the passages in angle brackets were added by a later editor.