[Sudetenland]

That's what I saw also, moving far too slowly to be a missile.

I believe it is an optical DELUSION by people who want it to be something extraordinary rather than mundane.

You cannot tell what the "trajectory" is from a photograph. You have to be able to see it with some depth perception in order to distinguish between something moving vertically and something moving directly towards you.

[dynoman]

The contrail shadow in post 49 is a clue about the trajectory of the airplane leaving the contrail. It’s a tight shadow indicating the airplane is coming towards the photographer, away from the setting sun.

People are forgetting the earth is round!

[sargon]

That's what I saw also, moving far too slowly to be a missile.

Don't some missiles travel subsonically?

For instance, if I'm not mistaken, I believe tomahawk cruise missiles travel at about the same speed as a jet.

I'm not saying it was a tomahawk or anything, I'm simply observing that not all missiles are supersonic, and some do travel at jet-like speeds...