Originalno ameriška podmornica Fulton.
http://militaryhonors.sid-hill.us/history/gwmjh_archive/Submarines/Holland_7.html
http://militaryhonors.sid-hill.us/history/gwmjh_archive/Documents/Som.html
http://militaryhonors.sid-hill.us/history/gwmjh_archive/Submarines/Holland_7.html
Citat:
The Fulton was the prototype for the type 7 design which included the American 'A' Boats, the British 'Hollands', five Japanese submarines, six Russian submarines and the Dutch O-1. The Fulton and five of the 'A' boats (Plunger, Adder, Moccasin, Porpoise and Shark) were built at Lewis Nixon's Crescent Shipyard in Elizabeth, New Jersey.
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After the 'A' boats were delivered to the United States Navy, the Fulton was sold to Russia. ... She was accepted by the Russian Imperial Navy on October 10, 1904 and renamed Som (Catfish).
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At 4:00 am on May 10, 1916, the Som was lost in an underwater collision with a Swedish steamship near Olandsgafa. The boat, 2 officers and 16 men were lost.
http://militaryhonors.sid-hill.us/history/gwmjh_archive/Documents/Som.html
Citat:
On May 10, 1916 at 4 o'clock in the morning "Som" which was patrolling in the area of Olandsgaf, and was lost in an underwater collision with the Swedish steamship "Ingermanland". As the captain of a steamship has testified, he noticed a periscope, towering 1 m above the water, at a distance of 150 m. The boat went by on a parallel course, and then turned toward the steamship. Having decided, that it wanted to examine them, the captain stopped the ship. The periscope suddenly disappeared under water, and the boat struck the steamship below the waterline. The submarine was not seen again. In addition to the submarine, her crew - 2 officers and 16 bottom grades were lost.