evidence: Navassa Island: The U.S.’s 160-year Forgotten Tragedy [...] In his 1956 book Advance Agents of American Destiny, diplomatic historian Roy F. Nichols noted,"In this humble fashion, the American nation took its first step into the path of imperialism; Navassa, a guano island, was the first noncontiguous territory to be announced formally as attached to the republic." None have been under U.S. administration for a longer time. [...] Another man involved in the operation, a Cuban exile who asked not to be identified, said he was on the trawler where the virus was put aboard at a rendezvous point off Bocas del Toro, Panama. He said the trawler carried the virus to Navassa Island, a tiny, deserted, U.S.-owned island between Jamaica and Haiti. From there, after the trawler made a brief stopover, the container was taken to Cuba and given to other operatives on the southern coast near the U.S. Navy base at Guantanamo Bay in late March, according to the source on the trawler.