Maj. Gen. Scott Sherman said 500 National Guard members have been trained to accompany agents on immigration operations.

With the federalized National Guard deployed against the state's wishes and the Marines on the way to L.A., there are growing concerns about the policing role of the military.

There are currently 4,100 California National Guardsmen and 700 Marines in the greater Los Angeles area after President Donald Trump ordered them to protect federal buildings and federal law enforcement as protests opposed to ICE raids increased over the weekend.

Pentagon officials said the cost of deploying thousands of National Guard troops and Marines to Los Angeles is $134 million.

President Donald Trump has built his presidency around stretching the bounds of presidential authority, and his response to protests over an immigration crackdown in Los Angeles is no exception.

Latest news and live updates as over 200 arrested in L.A. and National Guard to be deployed in Texas as rallies continue nationwide

The restraining order request is focused on a growing expectation among California officials that troops will soon be sent on arrest missions.

California's two U.S. Senators pushed for more information about how hundreds of U.S. Marines were deployed to Los Angeles over the objections of local leaders.