Russia has begun flight testing a new engine for its Su-57 fighter, aiming to improve performance, increase production, and ...

Russia is spotlighting the Su-57’s new 177S/AL-51F1 “fifth-generation” engine after its Dubai debut. -Early Su-57s flew with ...

The development of the Izdeliye 177 appears to be driven by the need to upgrade the earlier Su-57 production models and offer a new powerplant to ...

MOSCOW — Sukhoi’s T-50 fifth-generation fighter prototype has undergone its first inflight refueling approach trials. According to Sukhoi, during a single flight earlier this month, the second flight ...

Over the decades, Russia has developed some of the most popular and advanced military aircraft in the world. While the MiG family of fighters has long competed with Western fighter jets, it's not the ...

The Ukrainian defense ministry on Saturday claimed its air-defense troops shot down yet another Russian air force Sukhoi Su-34 fighter-bomber: the 11th Su-34 the Ukrainians claimed they destroyed in ...

When it comes to the nation with the world's largest air force, look no further than the United States. According to World Population Review, the U.S. had a total of 5,213 active aircraft in the Air ...

What You Need to Know: The Su-47 Golden Eagle was Russia’s ambitious attempt to create a fifth-generation fighter jet to rival the U.S. F-22 Raptor. Developed in the 1980s, the Su-47 featured a ...

Russia’s Su-57 began life powered by the AL-41F1/117S, a deeply modernized Su-27 engine used as a stopgap while a true 5th-generation powerplant was developed. -That engine, now designated AL-51F1 ...