>> The Pentagon says that more than 5,200 US troops will be sent to the US-Mexico border to prevent Central American migrants from reaching the United States. It's a dramatic increase over the 800 to 1,000 troops initially forecast.>> The specific request for assistance is for the active duty military to enhance the capacity and capabilities of CBP by providing robust military capabilities.
>> Reporter Phil Stewart is on the story.>> It includes pilots who will be transporting Customs and Border Protection personnel to different locations. It includes all kinds of support personnel that will be doing really support roles along this border. And now we'll have a force that is equivalent in size, although not kinda the same composition, as the US forces in Iraq.
So I think you're looking at a very large scale deployment to a very uncertain end.>> The announcement comes just days after President Trump declared the migrant caravan making its way to the US a national emergency. But critics say Trump is overstating the caravan's impact in order to influence the upcoming midterm elections.
>> You got some bad people in those groups. You got some tough people in those groups. And I'll tell you what, this country doesn't want them.>> Trump has also vowed to pull funding from Central American countries who fail to stop the flow of migrants. US officials say the troops would not play an active law enforcement role, but help provide logistical and infrastructure support to border patrol agents and National Guard troops stationed along the border.
> So far the move seems to be doing little to deter the migrants. Despite the threat of US troops and deadly clashes between migrants and authorities along the Guatemala-Mexico border on Sunday, the caravan of men, women, and children is still on the move.