Declassified UFO / UAP Document
Project 10073 Record Card — Fuju, Japan, 31 January 1955
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AI-Generated Summary
This Project 10073 record card documents a 1955 sighting of a circular, white object by military pilots over Fuju, Japan. The investigation concluded there was insufficient data to identify the object despite the capture of motion picture film.
On 31 January 1955, at 1333Z, military pilots operating in the vicinity of Fuju, Japan, observed an unidentified aerial object. The observers, who were flying at an altitude of 37,000 feet, reported seeing a circular, white object with no discernable features or trail. The object was estimated to be at an altitude between 45,000 and 52,000 feet. While the pilots initially considered the possibility that the object was a balloon, its movement against the prevailing winds made this identification uncertain. The sighting lasted for approximately six minutes. Motion picture film of the object was obtained, but the resulting footage was described as poor, showing only a light blob in a few frames. Due to the lack of clear features and the limited quality of the photographic evidence, the official conclusion recorded on the Project 10073 card is that there was insufficient data for a definitive evaluation. The incident is cross-referenced with ATIC report #209035 and IR-13-55, as well as a D/I FEAF ATILO report dated 2 February 1955, all of which are maintained in the ATIC repository.
Circular, white, no discernable features. No trail. First thought object to be balloon but seemed to be going against winds.
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Official Assessment
Insufficient Data for Evaluation
The object was observed by military pilots at an estimated altitude of 45,000 to 52,000 feet while the observers were at 37,000 feet. The object appeared circular, white, and lacked a trail. Although initially suspected to be a balloon, its movement against the wind prompted further investigation. Motion picture film was captured but deemed poor, showing only a light blob in a few frames.