Office of the Chief of Naval Operations to Vice Admiral William S. Sims, Commander, United States Naval Forces Operating in European Waters
<Cablegram May 28, 1918>
VICE ADMIRAL SIMS
OPNAV 6607 (BOX) Please inform Pershing following marine personnel embarked in USS HENDERSON comma First Machine Gun Replacement Battalion Seventeen officers five hundred fifty-six men comma Casual Replacements Eight officers Ten hundred nineteen men comma observers Six officers total officers thirty-one men Fifteen hundred seventy-fiveperiod Stores One hundred forty-seven thousand pounds occupying ten thousand cubic feet Acknowledge 22028.
Source Note: Cy, DNA, RG 45, Entry 517B. Identifier in top left-hand corner: “OP-23-M.”