FILE PHOTO: Chain link fence and concertina wire surrounds a deserted guard tower within Joint Task Force Guantanamo’s Camp Delta at the U.S. Naval Base in Guantanamo Bay, Cuba March 21, 2016. REUTERS/Lucas Jackson/File Photo
FILE PHOTO: Chain link fence and concertina wire surrounds a deserted guard tower within Joint Task Force Guantanamo’s Camp Delta at the U.S. Naval Base in Guantanamo Bay, Cuba March 21, 2016. REUTERS/Lucas Jackson/File Photo