Pentagon Spokesman Maj. Adrian Rankine-Galloway told CNN that "the addition of fifth-generation fighters into Syria would certainly not be in keeping with Russia's announced force drawdown".
"We do not consider these jets to be a threat to our operations in Syria, and will continue to deconflict operations as necessary", he promised, calling upon all parties to "remain focused on defeating [Islamic State] ISIS, de-escalating and resolving the Syrian conflict, and protecting innocent civilians".
The Su-57 is Moscow'smost sophisticated military jet and comes equipped with stealth capability.
As you know, on the evening of 7 February, near the Syrian city of Deir ez-Zor there was a fight between the forces of moderate Syrian opposition, which is supported by the United States of America and the forces of President Bashar al-Assad, supported by Russian Federation, which wanted to seize oil-rich area. He also allegedly runs a business that profits off of oil and gas deals in Syrian territories seized from the Islamic State terrorist group.
On Thursday, Gen Mike Holmes, Air Combat Command commander, said he was unaware of reports surrounding the Su-57 in Syria, but added the situation in Syria grows more complex by the day.
It is possible that the fighters were redeployed to Syria for a test operation. They were developed to challenge the U.S. F-22 Raptor - and have been called the "F-22 killer". Russian pilots have not exactly been saluted for their discipline and professionalism in recent encounters.
According to photo evidence, at least two Su-57 stealth fighters arrived at the RussianKhmeimim Air Base.
According to him, the presence of the Su-57s will doubtlessly send a political message, serving as a deterrent "for aircraft from neighboring states which periodically fly into" Syrian airspace uninvited. Nikolai Antoshkin implied that the United States is already scaling back F-22 flights in Syria because the American military is anxious about provoking a confrontation with the Russian stealth fighter. The small-scale production of the Su-57 commenced in 2013.
Along with the 5th generation stealth aircraft came another 8 warplanes including four Su-35S multi-role air superiority fighters and four Su-25 ground attack aircraft.
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