PPRuNe Forums - View Single Post - US Military - What have they got up their Sleeve??

25th Jun 2004, 11:05

#4 (permalink)

Chillwinston

Join Date: Mar 2003

Location: South Yorkshire

Posts: 143

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Seem to remember a satellite weather picture some time ago, showing vapour trails shaped like "doughnuts" including a hole in the centre.

Pulse Jet?