The Sukhoi Su-57 completed combat operations over Ukraine

The Russian Air Force has reportedly used four of its new Sukhoi Su-57, fifth-generation fighter jets, to carry out attacks against Ukrainian air defense system

Sukhoi Su-57 – A significant boost to Russian air combat capabilities

Russian Su-57 fighter performed well in combat in Ukraine

Russia's Su-57 Heavy Fighter Bomber: Is It Really a Fifth-Generation Aircraft?

World Defence News: Russia deploys advanced Su-57 fighters in combat operations against Ukraine

Russia has used the latest Su-57 in a special operation on the territory of Ukraine - ВПК.name

Sukhoi Su-57 stealth fighter jet has been used in Ukraine: TASS report - AeroTime

Sukhoi Su-57 - Smartencyclopedia

Russia's Su-57 dazzles at MAKS 2019

Possible Su-57 observed on Ukraine bombing mission