The main gate at the prison in Guantanamo at the US Guantanamo Naval Base on October 16, 2018, in Guantanamo Base, Cuba. – The Guantanamo prison, which houses detainees accused of participating in the 9/11 attacks, is to remain open for at least 25 years, said US Navy Admiral John Ring, commander of the base. (Photo by Sylvie LANTEAUME / AFP) (Photo credit should read SYLVIE LANTEAUME/AFP via Getty Images)