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This is Volume 2 of the Ministry of Defence report 'Unidentified Aerial Phenomena in the UK Air Defence Region', Defence Intelligence Staff Scientific and Technical Memorandum 55/2/00, dated February 2000 and received 7 December 2000. It gathers 25 working papers on natural and man-made phenomena, meant as a reference for analysing UAP reports. The papers cover ball lightning, radar detection, balloons, satellites, mirages, plasma and similar subjects. One paper compares magnetic field experiments on human volunteers with close encounter reports. It concludes that effects from such fields are 'uncannily similar' to what witnesses describe.
“Randles”1 page
# UNCLASSIFIED UK RESTRICTED ## SUMMARY 7. It seems most likely that the reasons for few reports of sound (for those sightings in which nearby aircraft can be eliminated) are that many objects are beyond the range at which sound would be heard, are mis-reported in range, they are satellites; or are 'charged' air masses of various sorts which emit little or no sound.(e.g. Charged aerosols or plasmas, etc.)
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