Touted as a rival to American stealth jets, Russia’s Su ... gen radar and maneuverability, its stealth performance lags behind due to exposed engine components and higher radar cross-section.

"Similar measures will most likely be taken for the Su-57 but this ... "The aircraft’s radar signature is also reduced after the flat nozzle is installed. The cross section that reflects radio ...

Two aircraft define this strategic shift, each born from rival power blocs with starkly different philosophies of war: ...

Russia has reportedly delivered two newly built Su-57 Felon stealth fighters to its Aerospace Forces, marked with tail numbers “25” and “26.” These aircraft are believed to be the first Su-57s ...