 In fact, all reports of Soviet action turned out to be erroneous, misinterpreted, or exaggerated.The perceived threat was due to a coincidental combination of events, including a wedge of swans over Turkey, a fighter escort for the Syrian president returning from Moscow, a British bomber brought down by mechanical issues, and scheduled exercises of the Soviet fleet.Radar equipment in Thule, Greenland, mistakenly interpreted a moonrise over Norway as a large-scale Soviet missile launch.