Trieste II (Bathyscaphe)

Trieste II
History
United States
NameTrieste II
BuilderMare Island Naval Shipyard
Completed1964
In service1 September 1969
Out of service1980
Reclassified
  • X-1, 1 September 1969
  • DSV-1, 1 June 1971
FatePreserved at the Naval Undersea Museum
General characteristics
TypeDeep-submergence vehicle
Displacement46 long tons (47 t)
Length67 ft (20 m)
Beam15 ft (4.6 m)
Draft12 ft 5 in (3.78 m)
Test depth20,000 ft (6,100 m)
Complement2
A white-colored submarine with black painted bands.
Trieste II on display at the Naval Undersea Museum, 2023

Trieste II (DSV-1) was the United States Navy's first bathyscaphe purchased from its Swiss designers, and the successor to Trieste.