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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.
“Sea”13 pages
# UNCLASSIFIED UK RESTRICTED (d) When exceptional meteorological conditions are present. - Discoids (e) When increased man-made pollution (air particles capable of holding a charge) are present. - Spheres (Globes, Boloids and Orbs) (see also (c) above) (f) When there is a gaseous presence or chemiluminescent (i.e. rock to rock friction) also occurs. - Tadpoles (square front with tail). The key characteristics are: These can all flash, 'flutter', 'flicker' or 'flip' in motion. Occasionally they are described as 'basketball' size, but diameters of 8 to 100m have been reported. (a) Balls, streaks, sparkles or phosphorescent arcs, v-shaped formations or 'boomerangs'. (h) More than one light can move together, leading to the supposition: (b) Lights that change shape, fly, occur near the surface or at height and are often described as 'danced', 'chased' or 'merged'. - That they are on each extremity of a solid object. (c) Mostly reports are likely at night, even though the phenomena occur in daylight. - That they have some sort of field present which regulates their spacing. (d) An (apparently) ionised shape is formed. (i) Lights can merge or split, giving, according to some reports, the impression that they are 'intelligent' (see also para 15 below). (e) Sounds are sometimes heard. (j) Between lights in a cluster there is the appearance of blackness in outline. Three lights, for example, give the appearance of a solid triangle and four a rectangle. The outline of the shape can be clearly seen as 'blacker' than the background (i.e. absolute absence of light). (f) An emission of EM waves (or other unknown energy fields) are present. (g) Shapes appear and disappear and normally take the form of: - Triangles 'with rounded corners' (k) Lights may move towards a witness when approached.
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