The submarine began its final mission from the Portsmouth Naval Shipyard on the morning of April 10, 1963.

WSJ: Work stalled on Thresher memorial park in Maine

There were celebrations today at the Portsmouth Naval Shipyard in Kittery, Maine.

NPR: Two Bases, Two Stories: Portsmouth, McPherson

Mr. PAUL O'CONNOR (Worker, Portsmouth Naval Shipyard): Today is a great day for our shipyard, our community, our state and for our nation.

NPR: Two Bases, Two Stories: Portsmouth, McPherson

The people--the men and women of the Portsmouth Naval Shipyard, the government employees, are head and shoulders the best in the nation at any kind of nuclear submarine repair, modernization, refueling.

NPR: Two Bases, Two Stories: Portsmouth, McPherson

He's a former commander of the Portsmouth Naval Shipyard.

NPR: Two Bases, Two Stories: Portsmouth, McPherson