Russia’s Su-57 fifth-generation fighter jets have successfully passed a second stage of testing in Syria, the Chief of the General Staff of the Russian Armed Forces Valery Gerasimov revealed.
Gerasimov said that during the second stage of testing in Syria, Su-57 completed all the planned tasks. No further details were provided.
In February 2018, two Su-57 fighter jets were temporarily deployed in Syria, where they passed combat tests. The second stage of the testing likely took place in 2019.