Even in the Blue Book this sighting is mentioned in a very short sentence which includes the whole story:
June 7, 1952; Albuquerque, New Mexico. 11:18 a.m. Witnesses: crew of B-25 bomber #8840 at 11,500'. One rectangular aluminum object, about 6'x4',
flew 250-300' below the B-25.
From the previous documents archived by us there are some sightings belonging to the same time frame, mostly over the skies of New Mexico.
FOIA related links:
www.abovetopsecret.com...
www.abovetopsecret.com...
www.abovetopsecret.com...
www.abovetopsecret.com...