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USS Chopper

USS Chopper is documented as an ships in the WAR-CL-000224 roster.

SS-342 · Balao classUnited States NavyWorld War IIVerified subject image
The U.S. Navy Balao -class submarine USS Chopper (SS-342) during the "UNITAS IX" excerise off South America, in 1968.
The U.S. Navy Balao -class submarine USS Chopper (SS-342) during the "UNITAS IX" excerise off South America, in 1968.Official U.S. Navy photograph [1] from the USS Josephus Daniels (DLG-27) 1968 Cruise Book . · Public domainImage source
Hull / pennantSS-342
ClassBalao class
NavyUnited States Navy
CountryUnited States

What is known about this ship

USS Chopper is documented as an ships in the WAR-CL-000224 roster.

Class context: Balao class

The Balao class was the most numerous U.S. submarine class of World War II and the direct wartime successor to the Gato class.

This ship is recorded as a member of Balao class. Shared design history belongs on the class page; this page concentrates on the individual hull where evidence is available.

Sources and further reading

  1. H-033-2: Red Ramage ↗Naval History and Heritage Command · accessed 2026-09-18
  2. Balao class submarines ↗uboat.net · accessed 2026-09-18
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