The DoD is ready to work with the Department of Health and Human Services on the issue, a Pentagon spokesperson said.
The deployment along the U.S.-Mexico border is expected to cost about $182M a Pentagon spokeswoman said.
Their mission will focus on combating criminal gangs, human traffickers, and illegal firearm and drug smugglers.
California reached an agreement with the federal government about the state's National Guard troops deploying to the border.
The National Guard soldiers and airmen deploying to the border between the United States and Mexico may be armed.
California rejected the plans for National Guard troops at the border because the work is tied to immigration enforcement.
While on the border, soldiers will not detain or arrest people. That will remain the sole duty of the Border Patrol.
Pence conferred late Friday with U.S. congressional leaders by telephone about the planned strike against Syria.
Gov. Jerry Brown is clear that his National Guard will help President Trump go after drugs and thugs, but not immigrants.
Presidents George W. Bush and Barack Obama deployed the National Guard to the Mexican border in 2006 and 2010.