Another British S. S. serving as transport for U. S. troops, the Moldavia, was torpedoed and sunk on May 23, 1918, 56 U. S. soldiers being reported as "unaccounted for." Two British transports, the Ansonia and Leasowe Castle, were sunk on May 26, 1918, with losses of 40 and 101 lives respectively.
While returning to the United States the U. S. transport President Lincoln, formerly a Hamburg-American liner, was sunk in the naval war zone on May 31, 1918, with a loss of 4 officers and 23 men.
In the meantime some German submarines put in their appearance off the coast of the U. S. They began their operations on May 25, 1918, and maintained them with varying success and at varying distances from the coast until well into August, 1918. As a result the following boats were sunk up to June 20, 1918:
- Jacob H. Haskell, schooner, 1,362 tons.
- Isabel B. Wiley, schooner, 611 tons.
- Hattie Dunn, schooner, 365 tons.
- Edward H. Cole, schooner, 1,791 tons, subsequently raised and saved.
- Herbert L. Pratt, tank steamer, 7,200 tons.
- Carolina, passenger steamer, 5,093 tons.
- Winneconne, freighter, 1,869 tons.
- Hauppauge, auxiliary schooner, 1,500 tons.
- Edna, schooner, 325 tons, subsequently towed in.
- Texel, steamship, 3,210 tons.
- Samuel M. Hathaway, schooner, 1,038 tons.
- Samuel C. Mengel, schooner, 700 tons, unconfirmed.
- Edward Baird, schooner, 279 tons.
- Eidsvold, Norwegian steamship, 1,570 tons.
- Harpathean, British steamship, 4,588 tons.
- Vinland, Norwegian steamship, 1,143 tons.
- Desauss, schooner, 500 tons.
- Pinar del Rio, steamship, 2,504 tons.
- Vindeggen, Norwegian steamship, 2,632 tons.
- Henrik Lund, Norwegian steamship, 4,322 tons.
Raids of German submarines on United States shipping on the Atlantic coast.
Later victims were, according to the New York "Times":
The Norwegian freighter Augvald, sunk June 23, 1918, 125 miles east of Cape Race; the British transport Dwinsk, sunk about 550 miles east of Sandy Hook, June 24, 1918; the Norwegian bark Manx King, July 6, 1918; 300 miles off Cape Race; the sailing vessel Marosa, sunk about 1,200 miles east of Sandy Hook July 8, 1918.
The tug Perth Amboy and four barges attacked 3 miles off Orleans, Mass., on July 21, 1918. The tug was burned and the barges sunk by gunfire.