What we know is that in September, 1565, French navigator Jean Ribault, who’d already been exploring the Florida area for three years, was sailing his fleet of three ships up to St. Augustine to attack the new Spanish colony there. All three disappeared in a storm. In May and June, 2016, Global Marine Exploration, a marine salvage firm operating with permits from the state of Florida, found artifacts from an old shipwreck on the sandy seafloor in seven different spots off Cape Canaveral. The debris includes three brass cannons (each one, pictured above, is worth about $1 million), plus a marble…