Officials at the Department of Homeland Security and the Defense Department are racing to set up multiple tent facilities in Guantanamo Bay, Cuba, to house thousands of migrants, but the scattered efforts have prompted questions internally about who’s in charge and what will happen once people arrive on site.

The first U.S. military flight deporting migrants from the United States to Guantanamo Bay landed in Cuba on Tuesday evening, according to a U.S. official. It was the first step in an expected surge in the number of migrants sent to the U.