[kach22i]

August 15, 2017
Russia’s New Advanced Stealth Fighter Jet Named Su-57
https://thediplomat.com/2017/08/russias-new-advanced-stealth-fighter-jet-named-su-57/



December 07, 2017
Russia’s Su-57 Stealth Fighter Makes Maiden Flight With New Engine
https://thediplomat.com/2017/12/russias-su-57-stealth-fighter-makes-maiden-flight-new-engine/

The new engine— the next-generation Saturn izdeliye 30 — will reportedly not be ready for serial production until 2020. “The Saturn izdeliye 30 will feature increased thrust and fuel efficiency and is also expected to improve the fighter jet’s stealth characteristics given the use of new composite materials,

http://nationalinterest.org/blog/the-buzz/will-russias-su-57-pak-fa-stealth-fighter-also-be-moscows-23010



https://theaviationist.com/2017/09/11/new-photos-of-russias-sukhoi-su-57-stealth-jet-show-some-progress-of-russian-advanced-fighter-program/


https://www.reddit.com/r/WarplanePorn/comments/6vl4e3/su57_dumping_fuel_while_inverted_1000x746/