Throughout her service life, however, Long Beach was naturally modernized in several ways, chief among these was her armament suite: The Terrier missile launchers were succeeded by Standard ER missile launchers and BGM-109 "Tomahawk" land-attack cruise missile support (2 x 4-cell launchers) was added that replaced the rear Talos missile launcher while a pair of 4-cell RGM-84 "Harpoon" anti-ship missile launchers was added for an offensive "punch" against surface ships at-range. A pair of 20mm Phalanx Close-In Weapon Systems (CIWSs) were added for point defense.
Her design profile was rather unit in the large, oversized and boxy superstructure dominating her midships. Her forecastle was stepped in the usual way and, towards the stern, a single-helicopter landing pad was seated but it was this structure that housed many of the major systems and sub-systems that gave the mighty ship her power. When the final mast works were added to the superstructure, the warship toward over most others - completing a rather imposing and somewhat cumbersome sight.
USS Long Beach revved up her nuclear units to conduct her first sail on July 6th, 1961 and her first refit/refueling was handled as soon as 1965-1966 after which point the warship had already covered some 167,000 miles of at-seat traveling. During 1967, 1968, she was stationed in Southeast Asia during the American commitment to the Vietnam War (1955-1975) where her advanced technology could be put to great use. With her missiles, she claimed at least two enemy MiG fighter aircraft kills during 1968 while, on the whole, she and her crews responded to no fewer than seven engagements while also directing "friendlies" in attacks of their own. Of particular note was the warship could claim aerial targets flying over enemy-held territory with her missiles as far as 75 miles away.
By 1979, USS Long Beach was beginning to show its age and its weapon suite was upgraded to better contend with emerging threats of the Cold War period (1947-1991). Several of her notable radar fixtures were either stripped altogether or replaced with more advanced forms and sonar was improved as was ranged and close-in defense with work had into 1981. From 1984 until 1985, she experienced her next major overhaul which, among other issues, addressed armor protection. In 1985, the aforementioned Tomahawk cruise missile support was added to give the USN vessel a considerable ranged land-attack capability and, the following year, she sailed with a USN battlegroup across the Western Pacific that included the famous battleship USS New Jersey. In 1991, she operated alongside New Jersey's sister, the battleship USS Missouri, during the American commitment to the Persian Gulf War. Her final task was in support of U.S. personnel evacuating the eruption of Mount Pinatubo in the Philippines.
Due to the cost of operating a nuclear-powered warship, and the extensive military draw-down that followed the end of the Cold War (1991), any further plans to modernize USS Long Beach were delayed until cancelled in full. She was deactivated on July 2nd, 1994 (at Norfolk) and formally decommissioned on May 1st, 1995. Stripped of her nuclear equipment and all other military-grade usefulness, the stripped hulk of this once-proud ship was finally sold off in 2012.
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