Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 86-0020 - Lockheed C-5M Galaxy - United States Air Force HAGAR92 - 4.3 mi away @ 36675 ft, heading E at 685 mph. Spotted for first time! [06:58:33 PM CST] #AE0571 #reg_860020 #C5M #HAGELAND #HAGAR92 #military #autopilot #ADSB #ADSBbot