23mi SOf Joliet reported irregular observation — May 4, 1960

From the lower left portion there appeared a stream of light yellowish-white in color. From the lower left portion there appeared a stream of light yellowish-white in color. CAPT DONALD V HICKS 51,570A, 33439th School Sq, ATC, this stn, is hereby assigned to investigate the facts and circumstances surrounding the recent sighting of an unidentified flying object by SSGT THEODORE M STRECKER, 33439th School Sq, ATC, this stn. 1Lt DAVID D BLAKE 07013876, Hq Chanute, this stn (Patient 33 Sq) will be assigned to the Aerospace Accident & Incapacitation Review Brd, Chanute, MASS and remain thereat awaiting further orders in connection with physical condition and determination of fitness for flying status. Performing optical character recognition (OCR) on the text in the document, the output is as follows: PAGE TWO RJEDBU IS OBSERVED AT ABOUT THREE TO FOUR THOUSAND FEET ALTITUDE AND REPORTEDLY VAS SURROUNDED BY SHOOTING FLAKES AND LIGHTS. OBSERVER WAS REPORTED AS BRAIDWOOD, ILLINOIS. Description of Object(s): (1) Round base, irregularly shaped upper portion. (2) Pea-held in the hand at about arm's length; like the north star only approximately 50 diameters larger. (3) Brilliant white; like molten metal intermittently changing to a pale yellow. (4) One. (5) Not applicable. (6) From the lower left there appeared to trail a faint beam of amber light like someone opened a door and light shined out from within. (7) None. (8) None. (9) At times the object was observed swinging to and fro like a pendulum of loose amplitudes and very frequency (approximately 15-20 seconds per cycle). Description of Course of Object(s): (1) Brilliance. (2) Angle of elevation was 37° with a horizontal and the azimuth was 120° clockwise from north when first observed at 0310/2 hours, 1 June 1960. (3) Angle of elevation was 45-50° with a horizontal and the azimuth 150° clockwise from north when the observer stopped looking at the object at 0920/2 hours, 1 June 1960. (4) Direction of movement was from NE to SW moving on an upward slope of about 45°. Description of Course of Object(s): (1) Report by an other observer. (2) Angle of elevation was 30° with a horizontal and the azimuth was 150° clockwise from north when first observed at 0700Z hours, 1 June 1960. (3) No appreciable change from position as stated in b.(2) above at 0730Z hours, 1 June 1960. (4) None except that the object appeared to move with the earth's rotation. (5) Object was still visible at 0730Z hours, 1 June 1960, when the observer discontinued his observation. (6) See b.(3) above. j. Description of Course of Object(s): (1) Report from Braidwood, Illinois. (2) Angle of elevation was 30° with a horizontal and the azimuth was 150° clockwise from north when first observed at approximately 0400Z hours, 1 June 1960. (3) Same as b.(2) above. (4) None. (5) Object was still visible at 0440Z hours, 1 June 1960, when the observer discontinued his observation. (6) See b.(5) above. UFO ANALYSIS SHEET Location: Joliet, Illinois Date: 31 MAY 60 Time: (2) Description: Cause was a luminous source sighted for about 5-10 minutes. Natural Phenomena (Ball Lightning, etc.): Aircraft, Balloons, Airships, etc.: NONE Other: Evaluation of Source Reliability: PROBABLE GOOD Analysis and Conclusions: The source of this object is not definitely known, but it was observed to have several characteristics in common with reported UFOs.