High-ranking defense officials outlined some of their early work and thoughts on the United States’s ability to develop a “Golden Dome” defense system in a Wednesday hearing on Capitol Hill.

President Donald Trump signed an executive order to create a “Golden Dome” akin to Israel’s Iron Dome, which defends the nation from short-range missiles. In an address to Congress earlier this month, Trump asked the legislative body to “fund a state-of-the-art Golden Dome missile defense shield to protect our homeland, all made in the USA.”