Office of the Chief of Naval Operations to Vice Admiral William S. Sims, Commander, United States Naval Forces Operating in European Waters
4 Dec 1917
1429. Our 1106. Your 1640. Bushnell, Genessee, Conestoga, Lykens, L-1, L-2, L-3, L-4, L-9, L-10, L-11 and E-1 sailed 07004 from Newport on great circle course from Latitude 39° <N,> Longitude <69° W> to Azores period E-1 ordered remain AZORES comma Bushnell with remaining submarines to proceed Queenstown after reporting to you by dispatch period tugs to return UNITED STATES to escort submarine chasers 20004.
Source Note: Cy, DNA, RG 45, Entry 517B.