Berlin Germany radar-visual unidentified-object report — May 1957

On or during May 1957, at or near Berlin Germany, Germany, the source reports the following sequence: SUBPARA 1: (A) CIRCULAR. (B) GRAPEFRUITS. (C) SILVERY. (D) TWO OBSERVERS SAW TWO UFOS. ONE OBSERVER SAW THREE UFOS. (E) NO FORMATION NOTED. (F) NEGATIVE. (G) NEGATIVE. (H) NEGATIVE. (I) NEGATIVE. WHO CALLED UFO TO ATTENTION OF AMN SPARKMAN AND SPECIAL AGENT HISSEM, ALSO IDENTIFIED BELOW. (B) 12 O'CLOCK AT BERLIN. (C) 10 O'CLOCK PAGE TWO RJEPAK 24 HIGH. (D) NO MOVEMENT REPORTED ON FIRST OBJECT. NORTHEASTERLY PATH REPORTED ON TWO OTHERS OBSERVED BY MIDDLETON. NORTHEASTERLY PATH REPORTED ON BOTH UFOS OBSERVED BY SPARKMAN. NORTHEASTERLY PATH REPORTED ON SOLE UFO OBSERVED BY HISSEM. BOTH MOVING UFOS OBSERVED BY SPARKMAN AND SOLE UFO OBSERVED BY HISSEM REPORTED TO HAVE STOPPED ABRUPTLY AFTER TRAVERSING APPROXIMATELY ONE FOURTH OF VISIBLE HORIZON WITHIN PERIOD OF 2 TO 3 MINUTES. (E) FADED FROM VIEW. (F) Unfortunately, there is no photograph present in this scanned document from Project Blue Book. UNITED OBJECT REPORTED IN DIRECTION AS "CLEAR TEN MINUTES". SUBPARA 8: WEATHER BALLOON LAUNCHED BY BASE WEATHER OFFICE AT TEMPELHOF 1715Z SAME DATE, TRACKED BY RADAR AND REPORTED TO HAVE BURST AT 1735Z SAME DATE. NO OTHER WEATHER BALLOONS REPORTED ALOFT AT THAT TIME. BASE OPERATIONS REQUESTED RADAR SCANNING, RADAR REPORTED NEGATIVE. SUBPARA 10: NO AIR TRAFFIC REPORTED AT TIME OF SIGHTING.