What happened
A flat object with a sharply pointed front and a rounded rear, white with a dark blue center and a red rim, trailed sparks as it dove past the bomber 500 feet away in a second.
All cases / From orbit / Kelly AFB diver
June 21, 1952, 12:30 p.m.
Near Kelly AFB, Texas, USA
"sharply pointed front and rounded rear"Shape words from the Project Blue Book summary
A flat object with a sharply pointed front and a rounded rear, white with a dark blue center and a red rim, trailed sparks as it dove past the bomber 500 feet away in a second.
T/Sgt. Howard Davis, flight engineer of a B-29 at 8,000 feet
No explanation has been found.
Filed by Project Blue Book as unidentified.