sentences:  In the post-war decades, another native of Thasos, Costas Tsimas, was to attain national recognition; a friend of Prime Minister Andreas Papandreou, he was appointed Director of the National Intelligence Service, the first civilian to hold that post.Thasos, the capital, is now informally known as Limenas, or "the port".It is served by a ferry route to and from Keramoti a port close to Kavala International Airport, and has the shortest possible crossing to the island.