GUATEMALA CITY — Margarita Raymundo walked down the ramp of the U.S. Air Force cargo jet and onto the tarmac of Guatemala City’s airport, barely three days after a U.S. Border Patrol agent had apprehended her, along with three other migrants. The swift deportation Monday was disorienting for her and the 63 other migrants aboard and only possible because the Trump administration has enlisted the military to quickly scale up its deportation capacity , which usually relies on chartered flights. In