Distance to Object(s) & Altitude

20,000 to 30,000 feet ?

Full Description & Details

Looked up in a westerly direction just after sunset and noticed a "ZIG ZAG" type of

vapor trail in sky stretching in a north to south direction. There had not been any aircraft activity nor any sound attached to this phenomenon. It would be absolutely impossible for any current known aircraft to have made this zig zag pattern as it was very tight and angular and was bluish white in colour. My witness and I took photographs of it as it dissapated over a period of minutes. The only thing that even resembles this vapour

trail that I have seen is in photos of the experimental "Pulse" or "Scramjets" but they could not have achieved the acute angles of this vapor trail. No object sighted

Witness Background

Self Employed Computer Technician

Other Comments

Photo attached, look above Tv antenna at about 11 O'Clock in clear patch of sky you will

see dissapated bluish ring effect also at about 1 O'clock remnants of vapor trail, most of it had dissapated by the time I got to camera. The trail was very very sharp in definition at first but then dissapated..... I am familar with all types of civilian and military aircraft.

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