This old topic is getting a little more traction on Reddit in the last few days...
Source: https://www.reddit.com/r/UFOs/comments/prt39g/ufo_only_visible_in_flir_national_police_air/
Source: https://www.reddit.com/r/UFOs/comments/prt39g/ufo_only_visible_in_flir_national_police_air/