The view of both Moscow and Washington on ballistic missile defense (BMD) for a long time rested on the principle, formulated in the late 1960s, which held that anti-missile systems for defense of the territories were destabilizing, therefore limiting them would strengthen strategic stability. Since that time the USSR and then Russia always adhered to this principle, while the US at times rejected it (i.e. the SDI program of the 1980s) and by now has finally given it up altogether.Meanwhile , the majority of the independent leading experts assess the chances of the existing US missile defense to tangibly affect Russia’s nuclear strike capability as extremely low. However, the US unilateral withdrawal from the ABM Treaty in 2002 seri...