The first U.S. military aircraft carrying detained migrants to Guantanamo Bay is expected to depart on Tuesday, U.S. officials said, as President Donald Trump's administration prepares to potentially house tens of thousands of migrants at the naval base in Cuba.

A U.S. official says the first U.S. military flight to deport migrants from the United States to Guantanamo Bay has departed and is expected to arrive later this evening

As tents went up in Guantanamo Bay, Cuba to hold migrants, attorneys at the Department of Homeland Security and Pentagon were still trying to determine whether it was legal to take the unprecedented step of flying migrants from the US southern border to the facility,