Air Force upgrading radars on its AWACS fleet

Defense News: The Air Force has kicked off a $60 million overhaul of communications on its E-3 Sentry fleet to better track enemy aircraft.

It is installing the AN/UPX-40 system, meant to eliminate ground clutter to better detect, identify and track enemy and friendly low-flying aircraft, according to a news release on the system. The AWACS aircraft will use the information to send intercepting aircraft to enemy targets.

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