Apart from Guantanamo Bay, centre for ALL rescue operations in the Carribean, the USA maintains hundreds of military bases all over the planet, and respectfully asks permission of local residents, yes? To be helpful, of course, dear sweet kind Uncle Sammy! "OK kid, do you want the money or the gun?"

Ring of steel around Russia, traditional enemies of freedom, ring of steel around Iran, next on the list of countries to be helped, ring of allies all around China, the REAL menace, and now, slightly off the radar, it being a very important election year in the VERY IMPORTANT USA, the African adventure! Excitement! Profit! Saving the world!!
http://www.counterpunch.org/2012/07/12/obamas-scramble-for-africa/