Even with California's Guard mobilization, Trump would have fallen short of his proposed deployment of at least 2,000 troops to the border.
But the Democratic Brown conditioned his support by insisting that California's troops have nothing to do with immigration enforcement.
Evan Westrup, a spokesman for the governor, did not immediately answer detailed question about California's rejection of specific guard duties.
Also a deputy assistant secretary at the Defense Department, Robert Salesses, claimed California has diminished to commit more than 200 troops to the campaign. The state informed federal officials that its troops will not be allowed to fix vehicles, operate remote surveillance equipment, operate radios, or provide other "mission support" to border agents. State insiders with knowledge of the talks spoke on condition of anonymity because they were not authorized to discuss the matter.
The Associated Press originally reported California rejected the federal government's initial plans for sending National Guard troops to the border because the work was considered too closely tied to immigration enforcement.
Salesses, the Pentagon official, said the Border Patrol had asked California to send 237 troops to the agency's San Diego and El Centro sectors, but state officials panned the request. We got a signal from California they're interested in improving border security. "So, at some point that might come together".
Brown last week characterized his decision to contribute troops as a welcome infusion of federally funded support to fight transnational criminal gangs and drug and firearms smugglers. Drawing that line will likely prove hard because the Border Patrol combats illegal immigration but also drug smuggling and other crimes.
The Democratic governor cast his decision as a welcome infusion of support paid for by the USA government to fight transnational criminal gangs and drug and firearms smugglers.
The Trump administration intends to send up to 4,000 National Guard troops to the Mexico border.
Members of the Arizona National Guard listen to Arizona Gov. Doug Ducey on April 9, 2018 at the Papago Park Military Reservation in Phoenix, Arizona.
"The location of Guard personnel - and number specifically working in support of operations along the border, the coast and elsewhere in the state - will be dictated by the needs on the ground", a spokesperson for Brown's office told TheDCNF in a Wednesday email. General Daniel R. Hokanson, the National Guard Bureau's vice chief.
Speaking to reporters in Washington, Lt. Gen. Daniel R. Hokanson said Monday that about 650 are deployed in Texas, with close to 250 in Arizona and more than 60 in New Mexico.