Cuba's acting President Raul Castro (C) stands with Commanders of the Revolution Juan Almeida (L) and Ramiro Valdez after addressing the crowd during an event marking the 1953 assault on the Moncada military barracks in Camaguey, Cuba, July 26, 2007. Castro promised economic improvements in Cuba and decried implacable U.S. hostility in a Revolution Day speech on Thursday, one year after taking over from his brother Fidel. REUTERS/Claudia Daut (CUBA)