USS Helena (SSN-725) is a Los Angeles-class nuclear-powered attack submarine of the United States Navy, representing the fourth vessel to bear the name in honor of Helena, Montana. Construction of the submarine was initiated by the Electric Boat Division of General Dynamics Corporation in Groton, Connecticut. The contract was awarded on April 19, 1982, with her keel laid down on March 28, 1985. The submarine was launched on June 28, 1986, with Mrs. Jean Busey serving as her sponsor, and was officially commissioned into service on July 11, 1987. As a Los Angeles-class submarine, she was designed for a variety of missions including anti-submarine warfare, intelligence gathering, and reconnaissance, utilizing her nuclear propulsion system which allows for extended submerged operations without the need for surfacing. USS Helena served for nearly four decades, contributing to the US Navy’s strategic underwater capabilities during the Cold War and subsequent periods. Her operational history includes various deployments and exercises, although specific notable events are not detailed in the provided content. Her significance lies in her role as part of the Los Angeles class, which has been a cornerstone of the US submarine fleet, known for their versatility, advanced sonar systems, and stealth capabilities. The vessel was decommissioned on July 25, 2025, and her final resting place is the Naval Undersea Museum in Keyport, Washington. USS Helena's service record exemplifies the enduring importance of nuclear attack submarines in maintaining maritime security and strategic dominance for the United States. Her construction, operational history, and decommissioning mark her as a notable vessel within the modern naval fleet.

This description has been generated using GPT-4.1-NANO based on the Vessel's wikidata information and then modified by ShipIndex.org staff.