Project Blue Book Case #1755. On July 30, 1952, another unidentified object was observed over Albuquerque — the eighth Blue Book unknown from the nuclear weapons capital. Eight cases made Albuquerque the single most prolific city in the entire Blue Book database for repeat unknowns, rivaled only by San Antonio's nine cases from the conventional military sector. The Kirtland-Sandia-Manzano nuclear corridor held the all-time record for unexplained aerial activity per square mile. The case was classified "Unknown."

Eighth Blue Book unknown over Albuquerque's nuclear corridor (1952)

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Third Blue Book unknown reported over Albuquerque nuclear corridor (1951)

Luminous object observed over Albuquerque during the green fireball era (1950)

Fourth Blue Book unknown over Albuquerque's nuclear corridor (1952)

Fifth Blue Book unknown over Albuquerque's nuclear corridor (1952)

Sixth Blue Book unknown over Albuquerque's nuclear corridor (1952)

Green fireball-type object observed over Albuquerque nuclear corridor (1952)