USS Portsmouth (SSN-707)
Los Angeles-class submarine
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USS Portsmouth (SSN-707) is a decommissioned Los Angeles-class submarine. She was the fourth ship of the United States Navy to be named for Portsmouth, New Hampshire. Wikipedia
Launched: September 18, 1982
Length: 362′
Construction started: May 8, 1980
Beam: 33′
Commissioned: 1 October 1983