Russia will react to attempts to break 'strategic parity' -Putin

Russian President Vladimir Putin attends the G20 leaders summit via video link in Moscow, Russia October 30, 2021. Sputnik/Evgeniy Paulin/Kremlin via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY.

MOSCOW (Reuters) - Russia will react to other countries' attempts to break "strategic parity," President Vladimir Putin said on Monday, referring to the global missile defence system being deployed by the United States and its allies.

Russia is concerned that an efficient missile defence will allow its Western adversaries to abandon the mutual assured defence doctrine that has for decades prevented nuclear superpowers from attacking each other.