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Naval History and Heritage Command

Naval History and Heritage Command

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

MES                                         File No. 16


<August 24,1918.>                 

ORIGIN Opnav, Washington.                  Ser. No. 348.

N-1 25 Aug.

31 ARD.             _CONFIDENTIAL._


348. Corrected data submarine activities August 14th 0410 GMT American schooner DOROTHY BARRETT gunned sunk 5 miles southeast of Five Fathoms Bank Light 15th August 11:15 GMT Brazilian motor schooner MADRUGADA sunk by gunfire Latitude 37° 50’ Longitude 74° 55’ August 16th 19:20 GMT British steamer MIRLO sunk by mine or torpedo Latitude 35 30 Longitude 75 18. August 16th 21:00 GMT British steamer LACKAWANNA chased gunned escaped Latitude 40 45 Longitude 64 40 August 17th 16:00 GMT Norwegian bark NORDHAV gunned bombed sunk 120 miles southeast Cape Henry August 17th 17:30 GMT Norwegian steamer SAN JOSE gunned bombed sunk Latitude 42 10 Longitude 64 42 August 20th 11:00 GMT Italian steamer ANSALDODI <Ansaldo I> gunned hit escaped Latitude 38 57 Longitude 70 48 16:00 GMT Trawler TRIUMPH captured 60 miles south by west of Cape Canso 1600 GMT 5 fishing schooners sunk same time and place August 21st 13:00 Gmt British steamer THESPIS missed by torpedo Latitude 39 40 Longitude 69 22 15:00 GMT British steamer DIOMEDXX torpedoed and sunk 40 42 north 65 13 west 22:00 Swedish vessel ALGERIA stopped allowed to proceed 40 30 north 68 35 West.1   15024.  348.


11:06 AM Aug 25 1918.   

Source Note: Cy, DNA, RG 45, Entry 517B. The handwritten date is confirmed by the time/date notation immediately following the text.

Footnote 1: Dorothy B. Barrett, Madrugada, Mirlo, Nordhav, Ansaldo I, were all sunk by U-117. San Jose was sunk and Triumph captured by U-156. The Diomed was sunk by U-140., Accessed on 14 August 2018,

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