F-15Es with new electronic-warfare system make their debut in the UK
The system allows F-15 fighters to detect and jam threats through geolocation and radar warning, helping them survive in dangerous environments.
By Riley Ceder
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US troops need to stay in Syria to counter ISIS, Pentagon chief says
U.S forces are still needed in Syria to prevent ISIS from reconstituting as a major threat following Assad's ouster, Defense Secretary Lloyd Austin said.
By Tara Copp, AP