Portsmouth Naval Shipyard USS Thresher

The Portsmouth Naval Shipyard, often called the Portsmouth Navy Yard, is a United States Navy shipyard on Seavey's Island in Kittery, Maine, bordering Portsmouth, New Hampshire. The naval yard lies along the southern boundary of Maine on the Piscataqua River.
  • Built: 1800
  • Location: Seavey Island, Kittery, Maine
  • Architectural style: Colonial Revival, Greek Revival
  • Controlled by: United States Navy
  • Open to the public: No
  • In use: 1800–Present
  • Area: 54 acres (22 ha)
Data from: en.wikipedia.org