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(a ” ami} - = ee oo ~ TECHNICAL REPORT No 102-AC 1:9/15~-100 erpgenears © oS RES FER sg RTE A ‘ gir 4 306 30 UNIDENTIFIED FLYING OBJECTS Project "GRUDGE" —_,. a, ’ f a . ~ a = * . bAL ces eS «CA et te , August l9i)¢ HEADQUARTERS “a! Ls AIR MATERIEL COMBAND WRIGHT - PAT TERSON AER FORCE BASE wz i ie : iy ; 29 Ts Tt. DECLASSIFIED .| ol a re ae Sec. 5.4 a 0) A …

…from the Stage Show below the Water tower 2% approximately 2040 hours I noticed whet seemed to be a large ball of fire with a long "teil" oehind traveling at a great rate of speed sonuerd the Northe It was uy impression that it could have been a Star, . because it seamed to disappear at a lower altitude than it was when I savy. 4% at firste The object lest p…

…ld see of the object was the fire or exhaust coming from it, this fires appeared rad to re. Ins object appeared to he traveling in a Plat trajectory at not too great an altitude, TI would say its Speed was well over 590 kas PT would estisate the Ohjeet passed directl:- over Sone point hetroon # mple and North Fort Foced on a heading of about 830°, ; Declassi…

…t was calm. QUESTION; Would you please state what background and knowledge you have with regard to aircraft. ( ANSWER : I have, over the past six years, done a great deal of travel by airplane. In fact, while living in Puerto Rico it was my main mode of transportation. I have flown at the rate : of 20,000 to 30,000 miles a year. Too, I have been on Patrick o…

… it was calm, QUESTION: Would you please state what background and knowledge you have with regard to aircraft. ANSWER ; I have, over the past six years, done a great deal of travel by airplane. In fact, while living in Puerto Rico it was my main mode of transportation. I have flown at the rate of 20,000 to 30,000 miles a year. Too, I have been on Patrick ove…

…opulsion noise. S/Sgt Helmer states the object disappeared in about one minute after traveling through about 30 degrees of arc. It faded from view as if due to great distance. 2. Significance — Unknown. APPROVED: RUDOLPH" H PESTALOZZ1I Capt, USAF Chief, Intel Div ee a eir\td Diagram ie Paya DISTRIBUTION BY ORIGINATOR NOTE: THIS DOCUMENT CONTAINS INFORMATION …

…ible propulsion noise. HEE) ss'2tes the object disappeared in about one minute after traveling through about 30 degrees of arc. It faded from view as if due to great distance. 2. Significance — Unknown. APPROVED: RUDOLPH*H PESTALOZZI Capt, USAF Chief, Intel Div a INCLS. Diagram DISTRIBUTION BY ORIGINATOR ee MOTE: THIS DOCUMENT CONTAINS INFORMATION AFFECTING …

… and zig-zag from left to right. Both airmen agreed that the light was approximately two (2) miles distant from their position but since it appeared to be at a great altitude, an accurate estimate of the distance was impossible. 2. AIRMEN STEINBERG and VIERRA said that the light travelled to a position which appeared to be over the "JET BAR" located on Highw…

…ny type aircraft ares 1. It acted like it had a mind of it's own, zig-zagging and suspending itself in mid-air for a period of time. 2. When it moved at such a great height as the stars, it moved with incredable speed, far more than any known aircraft. It was impossible to even estimate it's rate of speed. Declassification Authority: NND 57565

…altitude. Size: About the size of a pin-head held 2 feet from the eye. Color: Silvery, possibly due to reflection of sun against aircraft-type covering. Speed: Great speed. Estimated as 4 times the speed of a jet aircraft. Sound: Similar to sound of an F-86 at high altitude, with no change in tone or volume during man- euvers. Maneuvers: The object made thre…

…ffice... a ea ng Headquarters Western Ai “Hamilton Air Force 1 cription chon sk Se Silvery, possibly due to reflection of ‘against aircreft-type covering. © Re Great speed. Estimated as 4 times the speed : aN = é of a jet aircraft, eke . ieee its : ‘Se > gamiler to sound of an F-86 at high altitude, b1 ote, Soe ee pe, with no change in tone or volume during …

…nnsylvania which would indicate that the distance of the object from the four observers on Long Island (the height of the object above the earth's surface) was great enough to be above a tangent extending from the earth's surface at Philadelphia, Pennsylvania, and above normal 1. surface haze which would have obliterated it at the minimm altitude. Significan…

… Pennsylvania which would indicate that the distance of the object from the four observers on Long Island (the height of the ead above the earth's surface) was great enough to be above a tangent | extending from the earth's surface at Philadelphia, Pennsylvania, and above normal surface haze which would have obliterated it at the x rim altitude. Significance…

…he constallation Ursa Major around past Urion and back into the vicinity fof our zenth. Overhead the light was a dull Pein all liow and appeared to move at Tts greatest speed. ‘he speed eened nearly as great as it passeé Ursa Major. Overhead the light was guite steady in intensity. The light seemed to be bao tt iaken slightly in its forward sepia The color o…

…May 27, 1953, I saw a bright light moving in the sky. It was as brilliant as a star, but had a yellow cast to it. It was very high and seemed to be moving at a great rate of speed. airplane or Jet. It did not look like an The light was much brighter and didn't seem to grow smaller or dimmer as it moved away. It had no vapor trails. It was just a light. The l…

… or Glumer as it moved avay. St hed no wapor traiig, lights sesmed to be circling. Unidentified objeets sighted by Gres. BR. G G ry ia seemed te be moving at a great rate of Speed. the light was much brighter ami di the light never disappeared behind anything, it was just « light. golog in the same direetion, nerth end one later on the west side which Clitiw…

…the NE could have been mch closer, On ve a dark night with no moon and mo clouds such as this night was described an aircraft light could have been seen from a great distance without seeing the aircraft or hearing it. Also such an approach would have taken 10 to 20 mimutes, The correlation between the direction of the light and the airport is the strongest s…

…m the NE could have been much closer, On a dark night with no moon and no clouds such as this night was described an aircraft light could have been seen from a great distance without seeing the aircraft or hearing it. Also such an approach would have taken 10 to 20 minutes, The correlation between the direction of the light and the airport is the strongest s…

…he underside both emitting smoke. The object appeared from the north approaching observers, hovered a few seconds, dipped toward observers and disappeared with great speed to the NE. Object appeared larger than conventional A/C frequently observed in this area. Although sky was cloudy object appeared in a clear space between cloud formation. Severe thunder s…

…he underside both emitting smoke. The object appeared from the north approaching observers, hovered a few seconds, dipped toward observers and disappeared with great speed to the NE.e Object appeared larger than conventional A/C frequently observed in this area. Although sky was cloudy object appeared in a clear space between cloud formation. Severe thunder …