Near Ceiba, Puerto Rico — A U.S. naval base in Puerto Rico that was closed more than 20 years ago is now back in operation as the United States builds up forces in the Caribbean ahead of possible military action against Venezuela.  Naval Station Roosevelt Roads closed in 2004 after having been in operation since 1943. But the Roosevelt Roads base has been reopened and is now one of five locations where U.S. forces are operating in Puerto Rico, an American territory strategically positioned