SAS Super Aviator Flight Demonstration. Deep Flight Submersibles. Aqua, The Future Submersible Watercraft Concept on Vizeer.com. Aqua water transport design Assuming that the earth is increasingly polluted, and that if it became unbearable it would perhaps make the choice to live on or under the oceans, designers Sungchul Woonghee Yang and Han have imagined “Aqua “, a concept submersible vehicle personnel may change both the water surface and underwater! [ via ] Aqua water transport seat design Aqua rear viewed design Aqua plan design. Submarine, Scubster, personal submarine, leisure submarine, yellow submarine, muscle powered submarine, sous-marin, submarino, u-boot.