President Donald Trump has called for an expansive, next-generation missile defense shield for the mainland United States, something modeled on Israel’s formidable defenses, typified by its signature Iron Dome system.

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.

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,