Admiral Henry T. Mayo, Commander, Atlantic Fleet, to Rear Admiral Albert Gleaves, Commander, Destroyer Force
UNITED STATES ATLANTIC FLEET,
U.S.S. PENNSYLVANIA, Flagship,
4 April 1917.
From: Commander in Chief.
To : Commander DESTROYER FORCE.
Subject: Training of destroyers.
1. In view of existing circumstances which render it probable that destroyers will be largely employed in the service of security of the FLEET, it is directed that the training of the DESTROYER FORCE be concentrated on exercises such as,
(a) Offensive against submarines.
(b) Sweeping for anchored mines.
(c) Location and destruction of floating mines.
/s/ H.T. MAYO.
Source Note: Cy, DNA, RG 45, Entry 517B. At the top right of this copy is the identification number “File 1123.” and at the top right “10/Bk (O).” Below Mayo’s signature is a note: “Copy to;/Chief of Naval Operations.”