Israel concerned over Su-57 debut in Syria

Russia's surprise deployment of Sukhoi Su-57s to a base inside Syria has positioned its new stealth fighter within the same region of operations as the Israeli air force's Lockheed Martin F-35I. Video footage appearing to show Su-57s arriving in Syria was confirmed by pictures captured by an Israeli imaging satellite. The new type's deployment marks the peak of Moscow's direct intervention so far in Syria's long-running civil war.

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