So how did these antiquated Ukrainian helicopters penetrate Russia’s modern state-of-the-art air defenses?
Yes, all those fantastic SA-400 (or whatever they're called) anti-aircraft missiles they've been selling all over the mid-east, saying they were as good as the best American theater defense systems.
Ask Mathias Rust.
Most likely because the “modern air defense” is a luxury yacht moored in Monaco. At least that’s where the money went.
The world and NATO is watching. Russian equipment is crap.
Flying very low!