U.S. Sends 11 Guantánamo Prisoners to Oman to Start New Lives NYT | Top Stories Carol Rosenberg 7 January 2025 at 05:01 The secret mission left the smallest number of prisoners at Guantánamo Bay since the day the detention center opened in 2002. © Doug Mills/The New York TimesA prisoner at Guantánamo Bay’s Camp 6 detention center in 2019. There are now 15 men left in the prison.