The base had been cleared of migrants since Thursday, after the government sent 177 to Venezuela and one back to the United States.

Many of the migrants were being kept in a detention facility that has historically held suspected terrorists. They were flown back to Venezuela Thursday after a stop in Honduras.

The U.S. government and a Venezuelan state airline flew 177 Venezuelan migrants from Guantanamo Bay to Honduras and on to Venezuela on Thursday, U.S. Immigration and Customs Enforcement and the Department of Homeland Security said.