An executive order said the United States faced a “catastrophic threat” from advanced aerial weapons. But a defense system like Israel’s may not be feasible in the country, which is more than 400 times larger.

The President gave us a clear mission: achieve Peace through Strength. We will do this in three ways — by restoring the warrior ethos, rebuilding our military, and reestablishing deterrence,” said Secretary Hegseth.

When it comes to protecting U.S. territory from missiles fired by such nuclear-powered countries as Russia, China, and North Korea (which is Trump’s goal in ordering this project), something like Iron Dome would have no capability whatsoever; and