https://www.twz.com/air/kc-135-refueling-pods-have-been-converted-into-flying-communication-nodes
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Additional datalinks and other systems were packed into heavily modified underwing Multipoint Refueling System (MPRS) pods normally used to send gas to receivers via the probe-and-drogue method. More network connectivity for the U.S. Air Force's KC-135s, as well as its KC-46s, opens the door to a host of new operational possibilities for those aircraft, including when it comes to controlling drones in flight.."