War Diary of U.S.S. Rowan
[Off the coast of Ireland]
August 19, 1917 received message from H.M.S. UNITY “Our convoy was attacked by submarines at 10:30 A.M. 10 miles north 30 E mag from our present position”. Entire convoy takes up pursuit. Jacob Jones sights periscope. Report received of submarine at mouth of Loire River.
Source Note: D, DNA, RG 45, Entry 517B.