Scene aboard the signal bridge of the USS Minneapolis (CA-36) of sailors enjoying their morning coffee.

President John F. Kennedy addressed the U.S. Naval Academy class of 1967 from the steps of Bancroft Hall on August 1, 1963.

Petty Officer 2nd Class Cory Sumner, a San Francisco Maritime Enforcement Specialist, directs Blasjo, an explosive detection K-9, during a search of AT&T Park Thursday, March 27, 2014. The goal of the exercise is to get the explosive detection K-9s, like Blasjo, prepared to do sweeps in preparation of the baseball season. U.S. Coast Guard photo by Petty Officer 3rd Class Adam Stanton

140412-N-PM781-001 BATH, Maine (April 12, 2014) Secretary of the Navy (SECNAV) Ray Mabus speaks with media before the christening ceremony for the Zumwalt-class guided-missile destroyer (DDG) 1000. The ship, the first of three Zumwalt-class destroyers, will provide independent forward presence and deterrence, support special operations forces and operate as part of joint and combined expeditionary forces. The lead ship and class are named in honor of former Chief of Naval Operations Adm. Elmo R. Bud Zumwalt Jr., who served as chief of naval operations from 1970-1974. (U.S. Navy photo by Mass Communication Specialist 1st Class Arif Patani/Released)

USN Hospital Ship USS Sanctuary (AH-17), no date.

USS Constellation (CV-64) and USS Hoel (DDG-13) replenish from the USS Camden (AOE-2) while operating in the Tonkin Gulf during Vietnam.

USS Camden (AOE-2) replenishes the USS Constellation (CV-64) and USS Hoel (DDG-13) in the Gulf of Tonkin.

The Trieste descended 35,797 feet into the Challenger Deep—setting a record that was not broken until April 2019, when Victor Vescovo’s Limiting Factor submersible dove to 35,843 feet

The USS Thresher (SSN-593) in a painting by Carl Evers.

The Military Sea Transportation Service transport USNS Barrett (T-AP-196) in 1968.

Port side view of the USS Savannah (CL-42) taken on 30 October 1944.

The nuclear powered submarine, USS Nautilus (SS-571) underway in 1964.

The USS Samuel B. Roberts (DD-823) in October 1963.

USS Smuel B. Roberts (DD-823) at sea on 10 October 1962.

The USS Toledo (CA-133) firing a Regulus missile circa 1959.

The USS Phoenix (C-46) in 1944.