From the article, those are all Soviet era anti-aircraft missile systems they promised. Soviet era = 30+ years ago... old technology.
That doesn't mean they won't be effective. They likely WILL be effective against helicopters, most military transport planes, low flying jets and other Russian aircraft. It's just that they might not be effective against the few (if any) state-of-the-art jets that Russia may choose to use.
From the article, those are all Soviet era anti-aircraft missile systems they promised. Soviet era = 30+ years ago... old technology.
That doesn't mean they won't be effective. They likely WILL be effective against helicopters, most military transport planes, low flying jets and other Russian aircraft. It's just that they might not be effective against the few (if any) state-of-the-art jets that Russia may choose to use.