United States Fleet Forces Command
The United States Fleet Forces Command (USFFC or less commonly USFLTFORCOM) is a service component command of the United States Navy that provides naval forces to a wide variety of U.S. forces. The naval resources may be allocated to combatant commanders such as United States Northern Command (USNORTHCOM) under the authority of the secretary of defense.
Source: Wikipedia — United States Fleet Forces Command (CC BY-SA 4.0)