Russia on Friday condemned an executive order by U.S. President Donald Trump to build a new missile defence shield, accusing the United States of trying to upset the global nuclear balance and pave the wave for military confrontation in space.

Authorities in Moscow on Friday criticized U.S. President Donald Trump's plan to build an "iron dome" missile defense system in the United States, saying it risked turning space into an arena of "confrontation.

For decades, the idea of a nationwide missile defense system has captured the imagination of American leaders. During the Cold War, President Ronald Reagan introduced the Strategic Defense Initiative,

President Donald Trump’s executive order to create a “next-generation missile defense shield” that can “defend its citizens and critical infrastructure against—any foreign aerial attack on the Homeland” is technically and budgetarily difficult at best,