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

🇺🇸 73-1677 - Boeing E-4B - United States Air Force - 3.4 mi away @ 26050 ft, heading WNW at 513 mph. Spotted for first time! [02:00:27 PM CDT] #ADFEB4 #reg_731677 #B742 #military #ADSB #ADSBbot