Ramey Air Force Base Puerto Rico reported triangle delta observation — October 8, 1960

The image shows a form or report from Project Blue Book, which was a United States Air Force program to investigate unidentified flying objects (UFOs). BRIEF SUMMARY OF SIGHTING: Object, size of size to slightly smaller than expected, emitting a greenish glow, hovered over Ramey AFB, Puerto Rico, moving very slowly. Object disappeared downward at the end of observation. CONCLUSIONS: Probably a piloted specific craft was observed from Ramey AFB. The weather conditions at the time of the disappearance were reported as [REDACTED], with visibility of [REDACTED] miles. Dear [REDACTED], This letter is in response to your report of an unidentified flying object. We remain committed to thoroughly examining all reports of unidentified flying objects. The appropriate boards have been alerted to conduct an extensive investigation of the reported sighting. Detailed analysis of this sighting has shown conclusively that the details do not support any claim of the presence of an unidentified flying object. OBJECT SIGHTED WAS A ROUND LIGHT WITH HALO, STOOD STILL FOR 1.30PT MOVING SLOWLY FROM WEST TO EAST THEN WENT STRAIGHT UP AND DISAPPEARED POSITION OVER SANTURCE P.R. AP IN: 2170S (25 OCT 60) O-20021Z Ir CGAFFC SUJAN TO COMGANTH Br UNCLAS X UFO CGNR 1313 REPORTS UNUSUAL PHENOMENA CROSSING TRACK AT 23257 X POINT 13-43N 62-51W X MOVING FROM SURFACE TO SKY X PILOT REPORTS THIN MUSHROOM OR CANOPY SHAPED CLOUD OF MIST AND RAIN FROM SURFACE TO ABOVE 5222 FT WITH BRILLIANT WHITE LIGHT COMING UP THRU CLOUD TO ABOUT 20 332 FT AND DISAPPEARING ON COURSE SZC X CLOUD DISSIPATED SHORTLY AFTER LIGHT PASSED THRU Br CPA UFO 1313 23257 15-43N 62-51W 5500 20000 028 2/2/2012 NOTE: Advance copies delivered to OTN and OSI-OP 2 of 2 OCR Text Output: UFO ANALYSIS SHEET Location: Ramey AFB - Puerto Rico Triangle, 58 + 30, SE of Aguadilla, PR Date: 2-1-65, Time (Z): 1850Z Weather: Partly cloudy, wind 12-15 knots, 20 miles visibility Description: Round, size 8" dia. to all objects visible, irregular outline, grayish white in color. Intermittent light (6) goes from lower right to upper left, size of object 8 deg. (from Pinch bar 25 deg. close to nose cone); 12 deg. at 60 deg. from centerline (over 1) Direction of Motion: South-North Observers: (CAPT)(USAF), Phone 69259) initiated Astronomical Phenomena (Meteor, Comet, Planet, etc.): Ruled out Radio Analysis (AACRN-13): None Natural Phenomena (Ball Lightning, etc.): None Aircraft, Balloons, Airships, etc.: Ruled out Other: No explanation.