The Department of Homeland Security announced Thursday the winners of a contest to build prototypes for sections of President Trump's proposed border wall.
U.S. Customs and Border Protection Acting Deputy Commissioner Ronald D. Vitiello said four companies were chosen to build the prototypes, which are planned to be built in the San Diego area.
Vitiello said the prototypes are a "significant milestone" in Trump's plan to build a wall on the border with Mexico.
The prototypes will be built out of concrete, 18 to 30 feet high and 30 feet long. Vitiello said they would each cost between "just under $400,000 and just under $500,000."
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