About 200 Marines and soldiers arrived over the weekend as the base faces its most drastic changes since the Pentagon opened a prison there after the Sept. 11 attacks.

Guantanamo Bay, a U.S. base in Cuba since 1898, may soon house thousands of detained migrants, following a proposal by the Trump administration.

President Donald Trump, who made the deportation of immigrants a central part of his campaign and presidency, said the U.S. will use a detention center at Guantánamo Bay, Cuba, to hold tens of thousands of the "worst criminal aliens.

Human rights groups have accused U.S. authorities of using Guantánamo Bay for decades to detain migrants fleeing Haiti, Cuba and other Caribbean nations.

Trump announced the plan to send criminal migrants to Guantanamo. According to the latest information, he has already dispatched additional forces there. The White House announced that, in accordance with President Donald Trump's earlier promise,

The United States will "hopefully" start moving migrants to a detention facility in Guantanamo Bay, Cuba, within 30 days, The Washington Post reported on Friday, citing House border czar Tom Homan.

President Trump says the the 30,000-person facility for undocumented migrants will house "the worst criminal illegal aliens".

President Trump said he plans to send up to 30,000 migrants to Guantanamo Bay that are “so bad” he doesn’t trust their home countries to be able to keep them from getting back into the US.