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            1D-OSI 24-0-257         SPOT INTELLIGENCE REPORT 

            SUBJECT:       (Unclassified) Reporting of information on Unconventional Aircraft

                                    SPECIAL INQUIRY 

            TO:                  Director of Special Investigations

                                    Headquarters, USAF

                                    Washington 25, D. C.



                        On 2 July 1952, Captain ROBERT E. METCALF, 1001 Massachusetts Avenue, Lexington, Massachusetts, reported that he and two other persons observed one unidentified airborne object between 0730 and 0740 hours, EDT, on 1 July 1952. No activity or condition developed that accounts for sighting.


                        At approximately 2000 hours, 2 July 1952, Captain Robert E. Metcalf, 1001 Massachusetts Avenue, Lexington, Massachusetts, reported the observation of one unidentified airborne object between 0730 and 0740 hours, EDT, on 1 July 1952 to Special Agent LESLIE S. HUBBARD. On 3 July 1952, Captain METCALF was  interviewed by Special Agent JULIUS B. POPPINGA, and furnished the following  information:

                                                                         a.      Description of object: One (1) milky white object, shaped like an “elongated oval” but “fatter than a cigar”, about 100 feet in length or slightly larger than a four-engine airliner, having indistinct outlines at the rear resembling either a very short exhaust or a blurred tail section, with a narrow ridge along the top side, but without wings or any clear aerodynamic features. Object produced no sound, and left no vapor trail or exhaust other than described above. Speed was estimated to be approximately that of jet aircraft, but observer believed the object “hung” in mid-air for a few seconds on two occasions and then proceeded.





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            The course of the object was otherwise without variation in altitude or direction, proceeding at an estimated 40,000 feet toward the southwest.

                                                                        b.      Object was sighted by Captain METCALF at 0730 hours EDT, 1 July 1952, and was observed by him for ten (10) minutes.

                                                                         c.      Sighting was by visual observation through smoked glasses, with no optical or electronic aids.

                                                                        d.      Observer sighted object while standing in the vicinity of Hangar “B” at Laurence G. Hanscom Field, Bedford, Massachusetts.

                                                                         e.       Identifying information on observers: Captain ROBERT E. METCALF, AO 563825, Petroleum Officer, 6520th Supply Squadron, 6520th Test Support Wing, Laurence G. Hanscom Field, Bedford, Massachusetts, is 33 years of age, and has served six years of active duty and five years of reserve duty with the USAF. Captain METCLAF is not rated, but appeared thoroughly familiar with all types of aircraft and advised that he has never seen a comparable object.

                                                                         f.      Weather conditions: METCALF advised that at the time of the sighting the sky was perfectly clear, and a slight northeast wind was blowing. Weather conditions at 0730 hours EDT 1 July 1952 were reported by the U. S. Weather Department, Logan International Airport, Boston, Massachusetts, for the Boston areas as follows: “Thin scattered clouds at 26,000 feet, northwest wind at 6 miles per hour, visibility 12 miles, temperature 60 degrees.”

                                                                         g.      No activity or condition is known that night account for the sightings, however, METCALF stated that his attention was first drawn to the object while he watched the vapor trails of what appeared to be two (2) jet aircraft proceeding in a southeast direction. The object described intersected the jet vapor trails and continued to the southwest.

                                                                        h.       No physical evidence exists, and no interception action was taken, METCALF advised however, that he proceeded to the base operations tower after having observed the object for a few minutes, and that attempts to locate the object with a pair of #750 Navy-type binoculars from that vantage point resulted negatively.

                                                                          i.      Manner of disappearance: METCALF advised that he again saw the object while on the way to the tower, but that its distance had increased considerably, and that from the tower it was no longer visible, with or without binoculars.


            METCALF further advised that upon sighting the object he called it to the attention of M Sgt JAMES STINER, AF 15120440, and M Sgt JOSEPH R. BOSH, AF11031457, both of 6520th Air Police Squadron, Hanscom Field. On



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            3 July 1952, STINER and BOSH were separately interviewed by Special Agent JULIUS B. POPPINGA. Time, location, method of sighting, weather conditions, directions of flight, and disappearance were identical to that reported by METCALF. Several differences will be noted, however, relative to the description of the object.

                                                                          j.      STINER described the object as resembling a small blimp, having a blunt front, cigar-shaped, and similar to an “airplane without wings or tail assembly.” STINER noticed no exhaust or noise, and no changes of altitude or course. Length of the object was estimated as two to three hundred feet, and no tail features, wings or aerodynamic features of any kind were observed. STINER estimated the altitude of the object to be about 20,000 feet. He described its forward motion to be irregular, first barely moving, and then proceeding at “about the speed of a C-47.”

                                                                        k.      BOSH advised that he could not estimate the size of the object, but described it as oval-shaped, and believed that it was trailed by two distinct vapor trails, similar to that associated with conventional aircraft at very great altitudes. BOSH noticed no variation in the speed, altitude, or line of flight, and estimated the speed to be about 130 miles per hour and the altitude to be “over 30,000 feet.” BOSH noticed no noise, and stated that he could distinguish no wing or tail surfaces. He added that while both STINER and METCALF used sun glasses while observing the objects, he did not, and that his vision was impaired by the brightness of the sky and the sun.

                                                                          l.      Identifying information on STINER and BOSH: M Sgt STINER is 50 years of age, and has served 19 years with the ground forces and 4 years with the Air Force. He has never been on an air crew, and claims no special knowledge pertaining to aircraft, but advised that he has never observed an airplane in flight, at any angle, resembling the object described, and was aware of no known object which might account for it. M Sgt BOSH is 32 years of age, and has served 11 years with the Air Force, primarily in inspection and investigation work. BOSH advised he has done considerable reading in relation to unconventional aircraft, but could not account for the object described in any way.

                                                                      m.      This sighting appears to be a verification and one and the same as sighting observed by ERWIN W. NELSON between 0731 and 0734 hours EDT on 1 July 1952 and reported in 1st District OSI file 24-0-256 on 3 July 1952






            1D-OSI 24-0-257


                         No further action is contemplated by this District Office. Two (2) copies of this report will be forwarded to the Commanding General, Air Material Command, Attention: MCIS.


                                                                                                            ROBERT S. JONES

                                                                                                            Lt Colonel, USAF

                                                                                                            District Commander


Cc:       CG, AMC (dup)

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