Russia's F-15 Killer: Why America (and the World) Fears the Su-27

It was the USSR’s best plane—and it still packs one heck of a punch. 

Scary Stuff: Watch a Russian Su-27 Fighter and U.S. F-15 Get A Little Close

The combat statistics for all the aircraft currently in use

Russian Air Force 'Has Lot of Capability Left' One Year On From Ukraine Invasion

Su-27 Flanker: The Story of Russia's F-15 Killer

Origins- Evolution of the Su-27 into an F-15 killer (Part-2) – Defencyclopedia

Video Surfaces Of Russian Su-27 Making Aggressive Turn Into U.S. F-15 During Intercept

US drone: Russian jet forces down MQ-9 Reaper over Black Sea

Why did Sukhoi only make the Su-27 as a rival to the F-15? Is there a Sukhoi rival to the F-16? - Quora

Su-27 Flanker: The Story of Russia's F-15 Killer

McDonnell Douglas F-15 vs Sukhoi Su-27

Russia's New Advanced Stealth Fighter Jet Named Su-57 – The Diplomat

Russian fighter jet flies five feet from US aircraft

Russian fighter pilots try to 'provoke' US jets into dogfights above Syria