Only time will tell if the Su-57/S-70 combination will represent the level of threat Moscow would like to purport.

April 7, 2009: Nineteen months ago, a U.S. Army UAV was first used to attack a ground target. A MQ-5A Hunter UAV used a GBU-44 Viper Strike smart bomb to kill two men who were setting up a roadside ...

Yet it soon appeared that the downed aircraft was a military drone, likely an S-70 Okhotnik or Hunter, a Russian stealth 20-ton stealth unmanned combat aerial vehicle developed by Sukhoi and the ...