The additional 1,100 troops would bring the military close to 10,000 total deployed in support of the border mission.
The Air Force said it is also preparing to award a contract to convert the Boeing 747-8 into a presidential transport plane.
Sen. Tammy Duckworth blasted the Qatari-gifted plane as a security risk and a waste of taxpayer money.
President Trump also announced he has appointed Gen. Michael Guetlein, the Space Force’s second in command, to oversee the effort.
