The SCCA Pro Racing World Challenge and Continental Tire Sports Car Challenge racing series, run by the Sports Car Club of America, and the International Motor Sports Association, respectively, utilize modified production-based cars, sports cars, and touring cars, similar in spirit to the original Trans-Am racers.
U.S. Submarines, Inc. U.S. Submarines was formed in 1993 and has had a continuous internet presence since 1996. Recently we had a dispute with our internet service provider and have had to switch ISPs. We have a new Web site under development.
Submarines are very largeâthe hull of the USS Balao (image at left, SS-324 Balao), one of the most successful U.S. submarines and a good example for the basic idea of a submarine, was 312 feet long and displaced 2,415 tons; but also very cumbersomeâUSS Balao carried 10 officers and 70 enlisted men.