67 50N165w BEARINGSEA reported light formation observation — September 1961

On or during September 1961, at or near 67 50N165w BEARINGSEA, the source reports the following sequence: MR [redacted] SIGHTED A PECULIAR LOOKING, CLOUD LIKE IN APPEARANCE, SHAFT RISING FROM THE HORIZON TO APPROXIMATELY THREE DEGREES ABOVE THE HORIZON AND DEVELOPING A MUSHROOM NF5 #3-5. MR [redacted] WAS FLYING AT 6,500 FEET AT THE TIME OF SIGHTING. ON A FLT FM OTZ TO CTH YESTERDAY AT 150323Z FLYING OVR KIVALINA AREA SIGHTED FAR TO THE WEST A SINGLE CLOUD WITH A VERTICAL PILLAR EXTENDING UP FROM THE HRZN THEM MUSHROOMING ON TOP. THE LONE CLOUD FORMATION WAS OBSERVED FOR APRXLY 20 MINS BEFORE IT WAS NEARLY DISAPATED. THE SISTANCE OF CLOUD ESTIMATED AT 300 TO 400 MILES AS FLT WX AT THE TIME WAS CLR VSBY VERY GOOD AND THERE WERE NO OTHER CLDS SEEN ACFT WAS FLYING AT 5500FT. DEPARTMENT OF THE AIR FORCE STAFF MESSAGE BRANCH UNCLASSIFIED MESSAGE INCOMING AF IN: 59611 (16 Sep 61) Page 2 of 2 PAGE TWO RJKDLA 1 OBJECT WAS SIGHTED IN. (4).