Military Deploys 5,200 Troops to Fortify Border

Migrant caravans put pressure on border security loopholes as administration moves to deter thousands

HOUSTON—As two, thousands-strong Central American migrant caravans inch closer to the U.S. border, law enforcement is gearing up to meet them.

By the end of the week, the Department of Defense will have deployed 5,200 active-duty troops to assist with the temporary barricading of the border, as well as provide support to Customs and Border Protection officers.