The Trump administration has deployed into duty 2,000 National Guard soldiers in California, even as the state’s governor clashes with the White House over using troops to quell protests over the federal immigration crackdown.

A federal appeals court in San Francisco has heard arguments on whether the Trump administration should return control of National Guard troops to California

The 2,000 troops will join about 2,100 National Guard soldiers and 700 Marines who are already deployed in L.A.