29 40N178 00E unidentified aerial event — March 1964

Observed from two a/c in flight over the Pacific. REMARKS: PILOT REPORTED SEEING A WHITE DOMED SHAPED CLOUD A ON THE HORIZON AHEAD OF HIM AND HIS LEFT (TO THE NORTHA EAST) THE CLOUD APPEARED TO BE ABOUT 15 DEGREES WIDE AND ROSE TO DEGREES ABOVE HORIZON. IT ROSE RAPIDLY IN THE AIR. AFTER APPROXIMATELY 2 MINUTES THE TOP ARC OF THE CLOUD BROKE FREE OF THE HORIZON BECAME A WHITE ARC LIKE A RAINBOW RISING IN THE SKY FOLLOWED BY A THIN TAIL, LIKE A WHITE GLOWING BALL WITH A FLASHING LIGHT IN THE CENTER. THE ARC, TAIL AND LIGHT ROSE ABOUT 50 DEGREES ABOVE THE HORIZON AND ABOUT 2 O'CLOCK FROM PILOTS POSITION. AT THIS TIME THE ARC AND TAIL DISAPPEARED BUT THE FLASHING LIGHT CONTINUED TO THE SOUTHWEST UNTIL IT PASSED BELOW THE HORIZON.