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Office of the Chief of Naval Operations to Vice Admiral William S. Sims, Commander, United States Naval Forces Operating in European Waters


                                  File No. 257/16/3


Origin    Opnav, Washington                 Ser. No. 1335

Ref’d. to     Date

   C.S.       29 Nov.

   C.1.1      29 Nov.


NOLA 18.


1335. Your 1355.2 “Following is agreement entered into by Admiral Caperton and Commodore Smith (Referring paragraphs two and three of confidential agreement with British Commodore dated June 29th[)]3 above paragraphs modified to read “United States to have two ships based on Bahia, Brazil, which will patrol United States designated area north of Abrolhos Islands, extending patrol to cover allied traffic path as far north as Fernando de Noronha, and as far east as Longitude 20° West.4 Also one vessel, Flagship, based on Rio de Janeiro to preserve freedom of action, to proceed where her presence may seem most needed.

     British forces to have one ship based on Bahia, Brazil, to assist in patrol above described for are north of Abrolhos Island. One vessel based on Montevideo, Uruguay, to cover approach to La Plata River. One vessel, flagship, based on Rio de Janeiro to preserve freedom of action, to proceed where her presence may seem most necessary.”

     Remainder original agreement unaltered. Request approval. Navy Department approves and requests information of Admiralty’s opinion. 12028.


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

Footnote 1: ”C.S.” refers to Capt. Nathan C. Twining, Sims’ Chief of Staff. It is not certain to whom “C.1.” refers.

Footnote 2: This document has not been located.

Footnote 3: RAdm. William B. Caperton, Commander-in-Chief, Pacific Fleet, and Commo. Aubrey C. H. Smith, R.N. For a copy of the agreement between these two officers, see, Caperton to Smith, 29 June 1917, DNA, RG 45, Entry 517B.

Footnote 4: The Abrolhos Islands are a group of five small islands approximately 59 miles off the southern coast of Bahia. Fernando de Noronha is an archipelago of twenty-one islands and islets some 220 miles off the northeastern coast of Brazil.