FWIW... Today's LANDSAT 8 (08:20 UTC pass) thermal band shows several "race tracks" from an aircraft orbiting over the Sea of Azov south of Prymorsk. Aircraft made several orbits before LANDSAT pass, winds at flight level carried contrails downstream (to the northeast). pic.twitter.com/J5Waawyvmr

— David Helms (@davidhelms570) January 14, 2024