Defense, apparently, can almost always be overcome by a good offensive weapon or system.
"unpredictable flight trajectory"
makes it hard to hit a target, too. Well, the intended target.
That said, Russia is not the country we are worried about.
Unless they can exceed the speed of light, they cannot dodge a High Energy Laser (HRL). Our next generation trumped their next generation.
"Defense, apparently, can almost always be overcome by a good offensive weapon or system."
Any one can claim any thing they want as long as they don't have to present any real data.