An exit door where released detainees are turned over to the countries that have agreed to accept them is seen at the Guantanamo Bay US Naval Base, Cuba. — Reuters/File WASHINGTON: The Biden administration has launched a formal review of the future of the US military prison at Guantanamo Bay in Cuba, reviving the Obama-era goal of closing the controversial facility, a White House official said on Friday. Aides involved in internal discussions are considering an executive action to be signed by President Joe Biden in coming weeks or months, two people familiar with the matter said, signaling a new effort to remove what human rights advocates have called a stain on America’s global image.