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.

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

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.