The disappearance of the six planes was far from being the first mysterious incident in the area:for years, navigational problems and strange magnetic forces had been reported. The disappearance was not even the greatest disaster within the triangle. The Cyclops,a 19,000-ton US ship was sailing from Barbados to Norfolk, Virginia. In March 1918,when it vanished with its crew of 309 from the surface of the ocean without making a distress call and without the slightest wreckage ever being found.