World Pentagon to deploy 5,200 active duty troops to U.S.-Mexico border to halt migrant caravan October 29, 2018October 30, 2018Alan Gomez, USA TODAYComments Off on Pentagon to deploy 5,200 active duty troops to U.S.-Mexico border to halt migrant caravan The Pentagon is preparing to announce that up to 5,200 active duty troops will head to the southern border to stop a migrant caravan.