The 1964 catalog featured everything the diver could want, including regulators, recompression chambers, and submarines. In 1965 the first version of the Jet fin first appeared. After 40 years the fin is still popular with technical and military divers worldwide and is one of the most copied scuba products ever sold. In 1966 the catalog also added the Automatic Decompression meter, a forerunner to the modern dive computer. Back mount BC's, weight integrated systems, the Classic style STAB jacket, and other innovations continued to be introduced throughout the years.