In a congressional testimony published April 17, 2012, Major General John Nichols, who leads the Texas National Guard, revealed that the deployment cost the USA a total of $1.2 billion, working out to approximately $200,000 per troop, or $100,000 per troop per year.
New Mexico's Republican governor has said her state will take part in the operation, but no announcement has been made on deployment.
There is no end date for the deployment, Abbott said: "We may be in this for the long haul".
His office says guard members will provide air, reconnaissance, operational and logistical support to border patrol agents.
Scott Walker says he welcomes President Donald Trump's move to deploy National Guard troops to the border with Mexico.
Nielsen and Defense Secretary James Mattis said in a joint statement late Friday that they had worked with the border-state governors to identify areas that guardsmen could address. Under the federal law Trump invoked in his proclamation calling for National Guard troops, governors who send troops retain command and control over their state's Guard members and the USA government picks up the cost.More news: De Bruyne makes startling revelation about Mourinho relationship
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He not only called the President's plan a declaration of war but said it sends the wrong message to the immigrant community.
The Mexican Foreign Ministry has said it was assured by Nielsen that guardsmen would not be armed and would not be making arrests but would be acting in support roles only.
Asked about the possibility of building a border wall and overall enhanced security efforts, Horace said "it looks like the issue works for the President". "You show me somebody who's for drug cartels or human trafficking or this ammunition that's coming over a wide open and unprotected border here".
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. About 250 troops now are near the border. The caravan of largely Central American migrants never meant to reach the US border, according to organizer Irineo Mujica.
In Arizona, the state Nationwide Guard launched it was boosting the number of troops it's going to ship to the border to 338 from 225. And the Texas Military Department, the umbrella agency over the Texas National Guard branches, said on its Twitter account that it would hold a Friday night news conference on its preparations, though further details were not immediately available.
On Wednesday, Trump signed a memorandum directing the Defense Department to support the Homeland Security Department in securing the U.S. border with Mexico with the assistance of the National Guard.
After plunging at the start of Trump's presidency, the numbers of migrants apprehended at the southwest border have started to rise in line with historical trends.