ost closely guarded secrets, was trans- © ferred to the Army Security Agency based at Fort Meade, Mary- © land. Then, on October 24, 1952, President Harry S. Truman greatly expanded its purview and changed its name to the National Security Agency. The NSA was given two missions. The first one was protecting the

erica’s most closely guarded secrets, was transferred to the Army Security Agency based at Fort Meade, Maryland. Then, on October 24, 1952, President Harry S. Truman, greatly expanded its purview and changed its name to the National Security Agency. The NSA was given two missions. The first one was protecting the