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. 

Flanker vs. Eagle: The Su-27 Was the Soviet Answer to the American F-15

Drones taking over fighter jets in air-to-air combat? Russia says 'yes' as it 'downs' Ukrainian Su-27

New Russian fighter to compete with US F-35 aircraft, says expert - Military & Defense - TASS

The Truth About the MiG-29, Air & Space Magazine

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

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

The saga of generations. Why Su-27 surpasses F-15

Scary Video: Watch This Russian Su-27 Fighter Come Close to an American F-15C

Russia's F-15?: The Su-27 Fighter Is a Real Killer

How Russia's Su-57 Felon Jets Compare to U.S. F-35, F-22 Fighters

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

Sukhoi Su-34 - Wikipedia

USAF and Russian Air Force - A Comparison