A cup of coffee. Named after Josephus Daniels, Secretary of the Navy 1913-1921, who under General Order 99 in June 1914 prohibited the use of alcohol on board U.S. Navy ships
US Navy Recruiting Command, Navy Terms and Acronyms, Millington, TN, USA 2012. http://www.navy.com/glossary.html, (Mrtm/Nav - Amer) {565}