Cuba To Declassify Secret Papers HAVANA (AP) - Cuba will declassify a series of secret documents about the Bay of Pigs invasion this year for the 40th anniversary of the disastrous invasion attempt by a group of CIA-trained exiles, a senior Cuban official said. ``This will be the first time that an important group of documents related to the Bay of Pigs is declassified in Cuba,'' said Jose Ramon Fernandez, who headed the Cuban troops who battled more than 1,000 invaders for two days beginning on April 17, 1961. Fernandez, now a vice president in Cuba's governing Council of State, said the documents would cover events leading up to the invasion, as well as its consequences. He gave no further details. Most invaders were taken prisoner and condemned to 30 years in prison. They were later released in exchange for food from the United States. Fernandez is organizing an academic conference about the invasion to be held here March 22-24. Among those invited are Cuban and U.S. citizens, including members of 2506 Brigade - the exile group that launched the invasion, Fernandez said.