NATO's has adopted the reporting name "Felon" for Russia's 5th generation jet fighter Sukhoi Su-57, Scramble Magazine announced on Thursday. The alliance earlier used a temporary working name of "Frazor" to describe the aircraft, created by the Russian firm PAK-FA.
The report, however, has not been officially confirmed by NATO.
The first batch of Su-57 is expected to be delivered by the end of 2019.