For several years now Russian air and naval defenses have been engaging in provocative maneuvers against European countries and the US. It seems to be escalating. And the most recent seems particularly brazen.
At the same time, Russia and China are forging ever stronger military ties while the pentagons annual report to Congress warning of the growing military threat from the two seems to go ignored. Congress seems too preoccupied, or complacent sense the US has been the worlds sole super power for so long now.