Federal officials have installed surveillance equipment at the construction site of prototypes for President Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE’s proposed wall along the U.S.-Mexico border to help safeguard the project against a “threat environment,” the Los Angeles Times reported on Tuesday.

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Customs and Border Protection (CPB) officials ordered video surveillance be installed to “provide situational awareness related to threats against the site and against the contractors building the prototype walls,” according to the news outlet.

The prototypes were built near San Diego. Construction was completed in late October, and the CPB commenced a testing phase.

The cost of the surveillance equipment is unknown, and it was approved under a no-bid process because officials determined the system was required immediately, the newspaper reported.

The construction of a border wall between the U.S. and Mexico has been a pillar of Trump’s agenda since he began his presidential campaign.

Trump has yet to obtain funding from Congress needed for the project, but last week he renewed calls to build the wall following a terrorist attack at an Egyptian mosque.