The Platypus, for your special underwater assignments

The French-designed Platypus is a new and immensely practical two-person electric underwater exploration concept designed to travel for eight hours above the water at 10-12 knots (18.5-22.2 km/h), or below the water at 3-4 knots (5.5-7.5 km/h). Most importantly, it offers a safe and stable below-water platform that requires no operating equipment to be worn by the pilot or passenger other than masks because the pontoons contain an integrated compressor which supplies air via hoses. Read more here on gizmag.com