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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

Op-19-D                                              OL 2486

OPERATIONS

January 26, 1918.

VICE ADMIRAL SIMS

TRANSLATION

OPNAV 2486

(BOX)Following method of marking aircraft approved by

Secretary of War and Secretary of Navy1 Quote Wings-Red Circle with diameter approximately equal to chord comma inner blue circles with diameter two-thirds of chord comma center white circle with diameter one-third the chord period Rudder-Vertical red comma white and blue stripes starting at the rudder post unquote 01027

OPNAV         

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

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