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

🇺🇸 62-3559 - Boeing KC-135R - United States Air Force - 4.5 mi away @ 35000 ft, heading ESE at 625 mph. Spotted for first time! [02:58:26 PM CST] #ADFF0D #reg_623559 #K35R #military #ADSB #ADSBbot