May 20, 1943
The Tenth Fleet was established in Washington D.C., under the command of Admiral Ernest J. King, USN, to coordinate U.S. anti-submarine operations in the Atlantic. Disbanded after WWII, the Tenth Fleet was reactivated in January 2010 as U.S. Fleet Cyber Command.
Theater: North America
Pages - U.S. Fleet Cyber Command
Source: Naval History & Heritage Command