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= . A = 3 wa ~ AF FORM 112—PART Il APPROVED 1 JUNE 1948 AIR INTELLIGENCE INFORMATION REPORT See FROM (Agency) 754th AC&W Squadron Pert Austin, Michigan REPORT NO. TR=12-53 PAGE 2 OF 2 PAGES o and much dimmer, at that times was attempted, D Men ent de At 2204 EST, 17 February 1953, an unidentified object was sighted visually by A 1@ John T Mandinee and 2nd Lt Harold S Eagle, ‘The object changed in color from red to pink to pale white te white and back te red again, The object appear- ed to be larger and brighter than a star, and other than changing color there were no unusual features visible, The object appeared to be moving south at a very x slow rate of speed, At 2208 EST, 17 February 1953, 2nd Lt Eagle detected an un= identified target on the search radar equipment, The target was moving on a course of 180 degrees at 55 knots, It did not have any unusual characteristics except the speed, which was slow, 24 Object was first sighted at 2204 EST, visually for 5 minutes until 2209 EST, 17 February 1953. Detection time on radar was 2208 EST for 17 minutes until 2225 EST, 17 February 1953. 3e Object observed visually from ground and electronically by search radars Type of radar was AN/FPS=3, upper beam only, (1297 megacyeles). 4e Observers who sighted object were at 754th AC&W Squadron, Pert ‘ices Michigan; Longitude 83 degrees West; Latitude 44 degrees 02 minutes 22 seconds North; Elevatzen 646,75 feet MSLe Radar equipment located at same positions Object was sighted visually approximately $ to 10 miles West Northwest of station, estimated 100 feet above horizon, Lecation of radar track was 3 miles at 300 degrees» Grid coordinates of station are HQ 0202 and target was at GQ 490khe No height finder equipment is available but estimate of altitude using calibration data showed target to be at approximately 1,000 feets 5¢ Observers of object, 2nd Lt Harold S Eagle and A 10 John T Mandinec are considered fully reliable and experienced, 2nd Lt Eagle has approximately 7 months experience as an aircraft controller and A 1¢ Mandinec has three years experience as an aircraft control and warning operator, Radar maintenance personnel declared all equipment fully operational with no evidence of any type of interference presents 64 Weather and conditions at time target was sighted and visible were; visibility and ceiling unlimited; temperature approximately 28 stuttae Fahrenheit; moderate winds from west. 7e No known ichoceniwciea. or other disturbances or activity existed at that time or at any time during 17 February 1953. 8s No pyysical evidence was availableg Radar scope camera was inoperative 9 ADCG was notified, surrounding stations were contacted, and flight plan sources were checked, but no identification could be obtained, No interception 10, No other aircraft were known to be in general area of object throughout peried it was observed by personnel of this organizations Eventually it faded out completely after becoming smaller NOTE: THIS DOCUMENT CONTAINS INFORMATION AFFECTING THE NATIONAL DEFENSE OF THE UNITED STATES WITHIN THE MEANING OF THE ESPIONAGE ACT, 50 U.S. C.— 31 AND 32, AS AMENDED. ITS TRANSMISSION OR THE REVELATION OF ITS CONTENTS IN aT, MANNER TO AN UNAUTHORIZED PERSON IS PROHIBITED BY LAW. INTELLIGENCE, USAF. PT BY PERMISSION OF THE DIRECTOR OF ( las S171C at1on