Yeah your right your definitely a lot older than me.. but my memory isn’t as flawed as yours is..Your memory is flawed. I think I'm older than you and clearly remember seeing contrails in my youth. Ones that acted exactly like the ones today.
1967 – Plate 113 from Cloud Studies in Colour, Richard Scorer and Harry Wexler. Shows over 30 contrails, some criss-crossing:
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