I looked up,snapped this.At first glance I thought I saw 4 planes in formation.The thumbnail size.Nothin' fancy,Just trying to stop a jet at 600mph.Yeah,zoom pan.Ha!
Sunlight reflecting the vapor trails was entering the golden light moments. Candid shot.No tripod.
If I had used a tripod this could have been much sharper.
The actual altitude is unknown.

Tokina AF75-300mm.
300mm x1.5 conversion. 450mm true zoom.