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. ee ne This image contains all the information on the document. ity Ss WASH 7 FROM NEWARK 9-20-51 9-08 aon DIREC Lay - URGENT e ‘ 7 e Lega: Se" i, Cee ese OBSERVED.SEPTEMBER TEN AND ELEVEN, eet ONE IN vicrurtgrt. MONMOUTH, NJe INDIC. ON SEPTEMBER TWENTY IN- | Wek STANT, ANDREW JyfREID, G-TVO_FT. MONMOUTH, NJy PROVIDED FOLLOWING RES aa PORT OF UNCONVENTIONAL AIRCRAFT OBSERVED BY RADAR AT ABOVE AMY INSTALLATION. QUOTE ON_SEPT. TEN, FIFTYONE, AN AN/MPG DASH ONE RADAR SET PICKED UP A FAST MOVING LOW FLYING TARGET, EXACT ALTITUDE UNDETER- MINED AT APPROXIMATELY ELEVEN TEN AeMey SOUTHEAST OF FT. MONMOUTH AT A RANGE OF ABOUT TWELVE THOUSAND YARDS. THE TARGET APPEARED TO @ APPROXIMATELY FOLLOW THE COAST LINE, CHANGING ITS RANGE ONLY SLIGHTLY BUT CHANGING ITS AZIMUTH RAPIDLY. THE RADAR SET WAS SWITCHED TO FULL AIDED AZIMUTH TRACKING WHICH NORMALLY IS FAST ENOUGH TO TRACK JET AIR- CRAFT, BUT IN_THIS CASE WAS TOO SLOW TO BE RESORTED TOs TARGET WAS LOST IN THE N.E. AT A RANGE OF ABOUT FOURTEEN THOUSAND YARDS. THIS / TARGET ALSO PRESENTED AN UNUSUALLY STRONG RETURN FOR AIRCRAFT BEING /~ COMPARABLE IN STRENGTH TO THAT USUALLY RECEIVED FROM A COASTAL SHIP. THE OPERATOR INITIALLY IDENTIFIED TARGET AS A SHIP AND THEN REALIZED THAT IT COULD NOT BE A SHIP AFTER HE OBSERVED ITS EXTREME SPEED. SEPTEMBER TEN, FIFTYONE, AN SCR FIVE EIGHT FOUR RADAR SET AT THREE FIFTEEN PM TRACKING A TARGET WHICH MOVED ABOUT SLOWLY IN AZIMUTH NORTH J. = 4% 5 OF FT. MONMOUTH AT A RANGE OF ne HOD THOUSAND YARDS, AT THE > 2) oN hi ~ EXTREMELY UNUSUAL ELEVATION ANGLE OF -THERTEE gears FIFTY MILS; Sy : APPROXIMATELY NINETYTHREE THOUSAND abttégoe. ® ON SEPTEMBER ELEVEN, . FIFTYONE, TWO SCR PIVE EIGHT FOUR RADAR SETS AT TEN FIFTY A.M, PICKED 2 UP THE SAME TARGET NORTHEAST OF FT. MONMOUTH AT AN ELEVATION mi mee NDOG. PAGE ,ONE a ta SNe ae ah ae a