Yet, he acknowledged that the Bush and Obama administrations deployed far more National Guard soldiers, all with the same objective: To provide support for U.S. Customs and Border Patrol.
Wisconsin has not yet sent any troops to the border or been asked to send any.
This particular clash could be in over in a hurry: If Trump decides to federalize the Guard troops under the statute known as "Title 10 duty status", that essentially would pre-empt Brown's stance. Each of the 54 organizations is headed by an adjutant general, who reports to the chief of the National Guard Bureau, a four-star general, who has been a member of the Joint Chiefs of Staff since 2012. Yet earlier presidents, including both Barack Obama and both Presidents Bush, sent the Guard to the U.S. -Mexico border to help with security.
But the state's National guard did not return phone and email messages Monday seeking comment on how many have arrived.
The images shared by the Texas Military Department which includes Guard branches showed members dressed in military fatigues shaking hands with USA border agents. LATEST: 225 guard members being deployed today, additional members tomorrow.
"Until we can have a wall and proper security, we are going to be guarding our border with the military", Trump said. In a memo, Trump said the "situation at the border has now reached a point of crisis".
The National Guard members are heading to the Arizona-Mexico border Monday. The deployments together were estimated to cost about $1.3 billion, according to the Government Accountability Office.
New Mexico Gov. Susana Martinez (R) has said her state would participate in the operation, but has not announced a specific deployment.
Brown is a Democrat and hasn't spoken publicly about the request.
California National Guard spokesman Lt. Col. Tom Keegan said last week that any request will be "promptly reviewed to determine how best we can assist our federal partners".
Ducey welcomed the plan, saying "Washington has ignored this issue for too long and help is needed".
It seems a safe assumption that most Republican governors will allow the deployment of Guard troops from their states.
"I share the concern some may have regarding the appearance of the militarization of the border", he said in a prepared statement Monday after he and other sheriffs spoke with the governor. They will be the first of an expected 250 Guard members from New Mexico to serve on the border.
He said between March 2016 and 2017, arrests at the border were up by 200 percent.