North Atlantic UFO Sightings
Sept. 14, 1952; North Atlantic, between Ireland and Iceland.
Witnesses: military persons from several countries aboard ships in the NATO "Operation Mainbrace" exercise. Among the sightings: one blue-green triangle was observed flying 1,500 m.p.h; three objects in a triangular formation gave off white light exhaust at 1,500 m.p.h.