Brownie's DIR Information Network The following sites have joined together with Brownie's Third Lung to promote "Doing It Right" diving. You'll find information about how diving's next generation of instructors, manufacturers and enthusiasts are committed to safer, more exciting dive experiences. Halcyon   Brownie's Third Lung started its Halcyon line to meet the needs of scuba's leading exploration divers. From the world-record setting Halcyon Rebreather through the revolutionary Multi-Function Compensator, Halcyon sets the new standard for recreational and technical dive gear. Tankfill.com   Brownies High Pressure Solutions. From small portable compressors to fully marinized, automatic fully remote tank fill systems. Gas blending, cascade systems, system installation and training specifically designed for the cruising yachtsmen. Tankfill.com is the leading one-stop diving provisions supplier for the yachting market. Let us set you up for "doing it right" diving, from gear and compressors through training. Extreme Exposure   Extreme Exposure was founded in 1997 by noted dive explorer Jarrod Jablonski to manufacture specialty tools that could withstand the most punishing conditions imaginable. It quickly became the worldwide source for dive lighting and accessories necessary for deep, extended range diving. Extreme Exposure's High Intensity Discharge Lighting Systems are now the preferred lighting solution for recreational, technical, and cave divers as well as professional underwater videographers and photographers. Global Underwater Explorers   Global Underwater Explorers brings together conservationists, explorers and educators with a desire to see the mystery of the underwater world explored, studied, protected and shared. Global Underwater Explorers is prepared to redefine the nature of aquatic activity in three specific areas: education, research and exploration. GUE's vast website has information about advanced diver training, gear configuration, research projects, and current events in the world of underwater conservation and exploration. DirQuest   DirQuest is GUE's quarterly journal of DIR lifestyle and adventure. Available both online and as a printed journal, DirQuest brings together authors from around the world to discuss the latest advances in technical diving. Divegear.com   Buy what you want. Go where you want. Dive into the future. Divegear.com is revolutionizing how manufacturers and dive gear retailers work together to bring new products and training opportunities to the world. US Submarines   US Submarines is the only company in the world in their field. In 1993 they developed the world's first personal luxury submarine, and they're the world's only bonafide builder of personal cruising submarines. U.S. Submarines is active in the design, engineering and construction of luxury submarines, tourist submarines, deep submersibles, small military submarines, underwater habitats and floating activity centers.