The SS United States is a distinguished American ocean liner constructed between 1950 and 1951 for United States Lines. As the largest ocean liner entirely built in the United States, she measures approximately 990 feet (302 meters) in length and features a sleek, modern design envisioned by naval architect William Francis Gibbs. Her hull incorporated advanced innovations in hull form, steam propulsion, fire safety, and damage control, reflecting her dual role as a passenger vessel and potential troopship. Her propulsion system comprised eight US Navy-type boilers and four Westinghouse turbines, which powered four propellers—two five-bladed and two four-bladed—capable of generating around 240,000 shaft horsepower. This formidable powertrain enabled her to reach a maximum speed of 38.32 knots (about 44.1 mph), making her the fastest Atlantic liner and earning her the Blue Riband in 1952. Her distinctive exterior is characterized by two massive, tear-drop-shaped funnels painted in red, white, and blue, standing 55 feet tall and 60 feet wide, topped with aluminum superstructure elements to maintain stability at high speeds. The interior was designed for modern comfort, featuring a minimalist, contemporary aesthetic with fireproof furnishings, aluminum sculptures, and art themed around American themes such as the Mississippi River and Native American motifs. Her passenger capacity was around 894 in first class, with additional cabins for cabin and tourist classes, accommodating a total of approximately 2,000 passengers in various accommodations. The ship's maiden voyage in 1952 set transatlantic speed records, with her eastbound crossing in just over three days, earning her the Blue Riband—a symbol of maritime speed prestige. She served as a symbol of American innovation and luxury, hosting celebrities and dignitaries until her service declined in the late 1960s due to competition from airline travel. Withdrawn from service in 1969 after financial difficulties, she was subsequently sold and faced decades of neglect, auctioned multiple times, and efforts to preserve her have continued into recent years. Her historical significance lies in her record-breaking speed, advanced design, and role as an American maritime icon.

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