 And now your Carillon Park host, Brady Kress. Welcome to Carillon Park. During World War II, Allied ships were under constant attack by German submarines communicating through secret Enigma codes. Daytonian Joseph Desch and 600 women from the U.S. Navy devised massive electromechanical code-breaking machines at Dayton's NCR, helping win the Battle of the Atlantic. Visit Carillon Park soon and discover all the reasons why you can't go a day without Dayton.