A briefing document provides an early glimpse into the practical application of Trump’s executive orders on immigration and the border.

The Pentagon is rushing to provide the Trump administration with options to vastly expand the military’s footprint from Texas to California.

This is just the beginning,” one Defense official said about the deployment of active-duty troops to the border with Mexico.

Trump administration officials are considering deploying as many as 10,000 soldiers to the border and using military bases to hold migrants awaiting deportation.

The Pentagon is sending up to 1,500 troops to help secure the southern border as President Trump pushes to stem the tide of migrants entering the country. Acting Defense Secretary Robert Salesses

The president has directed the U.S. military to reinforce the border, and the acting secretary of defense on Wednesday announced the Pentagon is sending around 1,500 active duty troops to the country’s southern border, joining 2,500 active duty personnel already there.

The Trump administration Monday ended use of a border app called CBP One that has allowed nearly 1 million people to legally enter the United States with eligibility to work.

The Pentagon announced it would send 1,500 active ... The active-duty personnel have been assigned to assist CBP with logistics, detection of migrants, data entry and aerial support.

President Trump is sending hundreds of troops to the southern border for a wide-ranging mission that poses new challenges and raises questions about the military’s role in handling migration,

The U.S. military's mission on the border is moving quickly as the White House and the Pentagon are making it a priority to publicize news about the mission.

The US Department of Defense is deploying 1,500 active-duty service members along with additional air and intelligence assets to the southern border to support enforcement operations already underway.

Robert Salesses, deputy director of the Pentagon’s Washington Headquarters ... support for aerial reconnaissance in support of CBP personnel on the ground,” NORTHCOM said in a statement.