NATO fighters intercepted half a dozen groups of Russian military aircraft
The incident happened near allied airspace
Russian Sukhoi does low pass by US warship (video)
The USS Donald Cook was doing a routine operation in the Black Sea in international waters
Su-57’s debut? Video claims to show Russia’s 5th-gen jets in action over Syria (VIDEO)
Designed by Russian aircraft manufacturer Sukhoi, the multirole Su-57 fighter took to the skies for the first time in 2010