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.

Flights that left from Guantánamo Bay, Cuba, Thursday transported nearly 200 illegal immigrants detained on the island back to Venezuela.

The nearly 200 migrants detained at Guantanamo Bay have been cleared out of the military base, with all but one person flown back to Venezuela following successful negotiations with the South American nation’s leader,