The additional armed forces will allow the Department of Defense to comply with a request from the Department of Homeland Security approved by Acting Defense Minister Pat Shanahan earlier this month.
"More troops are sent to the southern border to stop the attempted invasion of illegals by large caravans into our country, we have the previous caravans and we will stop them too," Trump wrote.
The combined Border Intervention Force is expected to be slightly lower than the mission's peak of 5,900 troops.
The Pentagon had previously said that the new troops would be involved. Mobile monitoring and detection as well as concertina cables between the ports of entry. "
The Department of Homeland Security is" tracking "three caravans en route to the United States," one of which in the most recent estimate is over 1
Defense officials told CNN that the new mobile surveillance would include troops occupying mobile observation posts and vehicles