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The first two F-15E Strike Eagles rigged with the latest war-fighting software touched down in the United Kingdom last week, according to the Air Force.
The duo of F-15Es arrived at Royal Air Force Lakenheath, England, on Jan. 16, equipped with the Eagle Passive Active Warning Survivability System, or EPAWSS. The system allows F-15 fighters to detect and jam threats through geolocation and radar warning, helping them survive in dangerous environments.