The U.S. Air Force has nearly completed the installation of Automatic Dependent Surveillance-Broadcast Out (ADS-B Out) transponders on its KC-135 fleet.
A Michigan Air National Guard KC-135T from the 171st Air Refueling Squadron at Selfridge ANG Base in flight on a refueling mission over central United States. The KC-135 is used for refueling other aircraft in mid-air across the globe. It has a secondary mission as a transport aircraft, moving personnel and equipment. To learn more about Selfridge and to walk inside the KC-135 Stratotanker yourself, visit the Selfridge International Open House and Air Show June 6 & 7. (U.S. Air National Guard photo by Munnaf Joarder)
396 KC-135s are involved in the project which started on Oct. 7, 2019.
