USS Triton (SSRN/SSN-586), the only member of her class, was a nuclear powered radar picket submarine in the United States Navy. She was the only Western submarine powered by two nuclear reactors. Triton was the second submarine and the fourth vessel of the United States Navy to be named for the Greek god Triton. This naming convention was unusual at the time; U.S. Navy submarines were usually named for various species of fish. At the time of her commissioning in 1959, Triton was the largest, most powerful, and most expensive submarine ever built at $109 million excluding the cost of nuclear fuel and reactors.
The United States Navy submarine USS Triton completes the first submerged circumnavigation of the globe.
On April 25, in the year 1960, The United States Navy submarine USS Triton completes the first submerged circumnavigation of the globe. This event is recorded as a Historical Events event in the history of April 25, one of 419 recorded events on this date across all of history.
Key Facts
- This event took place on April 25, 1960 (AD era).
- It is categorised as a Historical Events event in recorded history.
- Referenced in 2 Wikipedia articles.
- The event is associated with a specific geographical location (see map below).
- Wikipedia source last updated on 7 January 2026.
On This Date in History 419
This article draws on content from Wikipedia, available under CC BY-SA 4.0.
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