Please address your reply to: Chief of the Air Staff Air Force Headquarters Department of National Defence Ottawa 4, Ontario 25 February, 1964 Mr. J. I. Hennessay, 10 Manson Place, South Kensington, London, SI7, England Dear Mr. Hennessay: The RCAF, through the air Officer Commanding Air Defence Command, is charged with the military investigation of unidentified flying object (UFO) reports. It is policy to investigate in detail reports of UFO's which cannot be readily identified as man-made objects or natural phenomena. Reports from private citizens concerning UFO's are treated as private correspondence and would not be made public unless a threat to national security existed. To date no threat has been determined, so neither private nor military sightings have been made public by the Department of National Defence. I the past some reports have appeared in the news- papers as a result of interviews between the persons concerned and members of the press, a procedure over which DND has no control. It can be said, though, that investigations to date have classified the sightings as of either man-made objects of which we are aware, or of natural phenomena well known in scientific circles but unfamiliar to the general public. We trust that this information will be useful to you, and thank you for your interest in the Royal Canadian Air Force. Yours truly, - signed - (J.A. Connoly) Squadron Leader Deputy Director of Public Relations Royal Canadian Air Force SGT JAMES/ml C O F