The Pentagon is set to send active duty troops to help secure the southern border, putting in action Presidnt Trump's orders to crack down immigration.
There are no active duty forces working along the border right now.
Officials say up to 1,500 may be sent there to join the roughtly 2,500 National Guard and Reserve forces who are there.
Ther're expected to support Border Patrol agents with things like logistics, transportation and barrier construction.
It's unclear if they'll end up doing the law enforcement, which would put U.S. forces in a dramatic new role unseen in recent history.
Sagar Meghani, Washington