All in slightly various parts of the Southeast US. All running N/A Callsigns and N/A Types. ADSB Hexcodes resolved to all C-146A Wolfhounds https://globe.adsbexchange.com/?icao=ae68b2,ae6803,ae68b4,ae68b6
The Wolfhounds are interesting to watch. In the US you'll see a lot of training activity for proficiency/currency. There's also a testbed for ISR equipment that flies periodically. Outside the US you'll see where the latest hotspots are in real time. Attached is a great site with a fairly comprehensive list.
