“Explorers seeking a missing submarine stumbled upon what may be the deepest ancient shipwreck ever found, a vessel that plied the Mediterranean between the reigns of Alexander the Great and Cleopatra. Officials from the Nauticos Corp, a deep ocean exploration firm based in Maryland, said they had found the ancient wreck while sonar searching for the Dakar, an Israeli submarine that disappeared on its maiden voyage about 30 years ago. Instead they spotted a rare find — a Greek vessel that archaeologists say is more than 2
