The Portsmouth Naval Shipyard (PNS) is located about 50 miles north of Boston, Massachusetts, at the southernmost tip of Maine. The shipyard itself is on an island in Kittery, Maine, across from Portsmouth, New Hampshire, near the mouth of the Piscataqua River. The Portsmouth Naval Shipyard is a US Department of Navy facility that repairs, overhauls, and maintains Navy ships, including nuclear-powered ships. Portsmouth Naval Shipyard is the most experienced naval shipyard in submarine design, construction, modernization, and maintenance.
The Portsmouth Harbor, about three nautical miles from the deep water of the Atlantic Ocean, is accessible year round via the Piscataqua River channel. The river channel is a minimum of 35 feet deep at mean low water and 400 feet wide. A Coast Guard station is located at New Castle near the harbor entrance.
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Maintained by Robert Sherman
Originally created by John Pike
Updated Sunday, February 28, 1999 9:38:58 AM