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The U.S. Navy submarine Squalus sank off Portsmouth, New Hampshire, during tests, causing 26 men to drown.

Historical image related to The U.S. Navy submarine Squalus sank off Portsmouth, New Hampshire, during tests, causing 26 men to drown. from May 23, 1939

USS Sailfish (SS-192)

Sargo-class submarine of the US Navy

USS Sailfish (SS-192), was a Sargo-class submarine of the United States Navy, originally named Squalus. As Squalus, the submarine sank off the coast of New Hampshire during test dives on 23 May 1939. The sinking drowned 26 crew members, but an ensuing rescue operation, using the…
Source: Wikipedia (CC BY-SA)

Portsmouth, New Hampshire

City in New Hampshire, United States

Portsmouth is a city in Rockingham County, New Hampshire, United States. At the 2020 census it had a population of 21,956. A historic seaport and popular summer tourist destination on the Piscataqua River bordering the state of Maine, Portsmouth was formerly the home of the…
Source: Wikipedia (CC BY-SA)