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!
Indeed. I was set on this being a missile until I started reading this thread - then realized that what I was seeing was something flying TOWARDS me. That clears it up completely. I've taken the tin foil hat off.