The “dream” of scuba diving is separated by the actual, body-in-water act by one significant detail: there is no equipment. To scuba dive, you must submerge with a wetsuit, mask, flippers, then there’s the air cylinder, compass, line cutter, and dive light. There’s more too and it all bears down upon you; a heavy baggage of artificial stand-ins for fish parts and safety measures that account for inevitable human error. Matt Nava wants away with it all. He wants to swim nakedly under the sea—bold and free. Drowning not included. Nava has been scuba diving since high school. He described it…