What happened
A dark blue elliptical object with a pulsing border flew straight and level at 700 to 800 m.p.h.
All cases / Eggs and ovals / Nagoya ellipse
June 28, 1952, 4:10 p.m.
Nagoya, Japan
"dark blue elliptical-shaped"Shape words from the Project Blue Book summary
A dark blue elliptical object with a pulsing border flew straight and level at 700 to 800 m.p.h.
Capt. T. W. Barger, USAF electronic countermeasures officer
No explanation has been found.
Filed by Project Blue Book as unidentified.