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.
Submarines, Inc. & Associated Firms. U.S. Submarines, Inc. founded in 1993. The company developed the concept of. the personal luxury submarine and has also designed deep submersibles for. marine science research, diesel electric submarines, tourist submarines with both. steel and transparent acrylic pressure hulls; military patrol and surveillance.
The pictures to the right are of the same class of submarine (Ohio Class), and the second picture has two identical submarines, one on the pier and one in the water next to it. Types of Submarines - Fast Attacks (SSNs) There are 3 types of fast attack submarines in the U.S. Navy. The oldest and most familiar, made famous by Tom Clancy in The Hunt for Red October, is the Los Angeles (688) class, which still makes up the bulk of our fast attack fleet.