Itazuke AB Japan radar-visual unidentified-object report — December 6, 1956

BRIEF SUMMARY OF SIGHTING: UFO observed on radar or on ground visually, but not visible on radar or visually. Object's shape observed visually was tan color, flat on bottom, round on top. The image contains a photograph that appears to be a technical diagram or illustration of an unidentified flying object (UFO) or similar aerial phenomenon. SIGHTING REPORT: AT 1755 HOURS ON 6 DECEMBER 1956, AN UNIDENTIFIED FLYING OBJECT WAS OBSERVED OVER ITAZUKE AB, JAPAN BY SEVERAL MILITARY PERSONNEL. THE OBJECT WAS DESCRIBED AS A CIRCULAR, SAUCER-SHAPED CRAFT WHICH HOVERED IN THE SKY FOR APPROXIMATELY 10 MINUTES BEFORE ACCELERATING AT A HIGH RATE OF SPEED AND DISAPPEARING FROM VIEW. RADAR SHOWED IT TO BE TWENTY MILES AWAY, 30 DEGREES TO THE PILOT'S LEFT. WHEN THE PILOT WAS CLOSEST TO THE UNIDENTIFIED OBJECT, IT APPEARED TO MAKE A SHALLOW LEFT TURN. IMMEDIATELY AFTER THE PILOT REPORTED THE UFO AND LANDED, HIS JET WAS TESTED BY ANOTHER AIR FORCE PILOT. 3--CUP)--NON-OFFICIAL FLYING SAUCER INVESTIGATORS REPORT THAT AN AIR FORCE JET CHASED A PECULIAR AND SPEED CIRCULAR OBJECT NEAR ITAZUKE AB, JAPAN ON SEPT. FIELD OFFICERS AT A SPEED BETWEEN 4300 AND 4400 MPH, FOLLOWED THE OBJECT FOR ABOUT ONE HOUR. IT OUTRACED THE FAR EAST AIRCRAFT. "A LARGE ROUND OBJECT APPEARED TO BE GUIDED AND HOVERED IN THE SKY." AUTOMATICALLY GUIDING THE JET TOWARD THE UFO, A MOMENT LATER, THE RADAR WAS JAMMED BY AN INTERFERING ANGLES. MORE SLOWLY. (WASA) ADD SAUCER WASHINGTON XXX CLOSE FURTHER-- THE NICAP SAID THE PILOT REPORTED THAT THE OBJECT WAS COLORED TRAILING LIGHT AND HAD THE APPEARANCE OF BEING CIRCULAR ON THE BOTTOM. Supporting case details: Reported craft or object: Disc / Saucer; Sphere / Orb Reported special objects or artifacts: Radar system; Still camera Physical traces or material: Radar data or reported radar return associated with Itazuke AB Japan radar-visual unidentified-object report — December 6, 1956 Electromagnetic or instrument effects: Radar or sensor detection Institutional response / aftermath: Government or official action