Cold War: Approximately 1947 (due to U.S. President Harry Truman’s Truman Doctrine) to 1991 (Operation Desert Storm, collapse of Soviet Union).
National Steel and Shipbuilding Company, San Diego, California, 10SEP1970. Photo via U.S. Naval History and Heritage Command.
USS Tuscaloosa was a Newport-class Landing Ship Tank (LST), number 1187. Keel laid on 23NOV1968, launched in San Diego, California, on 06SEP1969, commissioned on 24OCT1970.
National Steel and Shipbuilding Company, San Diego, California, 10SEP1970. Photo via U.S. Naval History and Heritage Command
Tuscaloosa earned a Meritorious Unit Commendation for Operation New Life (aka Operation Frequent Winds/Fleet Wind/Helping Hand/Eagle Pull), when it escorted 26 South Vietnamese navy vessels to the Philippines in 1975.
Near Guam, November 1979, USN photo.
Aboard the floating dry dock Steadfast (AFDM-14), April 1986, USN photo.
Leaving San Diego for PacEx ’89, 18SEP1989. USN photo by Andrew Heuer.
During wargames in South Korea, March 1990. USN photo by Joe Lancaster.
This USN photo purports to show a Newport class LST taking part in Desert Shield/Storm, however, it is dated as April 1992. Desert Storm officially ended in January 1991!
The LST 1187 is credited as taking part in Desert Storm, yet no ‘On Station’ dates are listed.
USN photo by Photographer’s Mate First Class Robert S. Shanks, 18FEB1994.
LST 1187 was decommissioned, in San Diego, California, on 18FEB1994.
USN photo by Photographer’s Mate First Class Robert S. Shanks, 18FEB1994.
On death row, LST 1187 about to be towed to the killing field somewhere in the Pacific, near Hawaii, 12JUL2014. USN photo by Mass Communication Specialist First Class Charles E. White.
Japan Maritime Self-Defense Force video, 14JUL2014, P-3C Orion launches AGM-84 Harpoon anti-ship missile at LST-1187:
USN video, Rim of the Pacific Exercise (RIMPAC) 14JUL2014, Sinking Exercise (SinkEx):
The USN reported that LST 1187 sank about 12:15, on 14JUL2014.
Cold War & Beyond: 
THE LONG LIFE & VIOLENT DEATH OF USS DENVER