Construction of the museum has been pushed back due to two other projects scheduled for New London.
"That was a very important Christmas, because a lot of guys weren't going to be around the next year," said Sam Wasson.
The Pentagon-funded study will focus on housing needs created by the Navy's purchase of more submarines.
A spokeswoman for the Navy's Atlantic submarine fleet said the moisture was contained within the reactor compartment.
USS Nautilus, the world's first nuclear-powered submarine, reached the North Pole at 11:15 p.m. on Aug. 3, 1958.
The Navy has said the sailor intentionally shot himself, but has not called the incident an attempted suicide.
The open letter, published Thursday morning by National Security Leaders for Biden, contains 489 names.
Families of those lost in the USS Thresher tragedy are finally getting a look at hundreds of documents about the accident.
The campaign of President Donald Trump released a letter from 235 retired senior officers backing his re-election.
The America Class amphibious assault ship was virtually commissioned July 15 at its shipyard in Pascagoula, Miss.
Three Marines and a sailor have been bitten by a coyote on the loose at Camp Lejeune.