Skip Ribbon Commands
Skip to main content


U.S. Navy Photo
The aircraft carrier USS George Washington (CVN 73) steams in formation off the coast of Chile while conducting a PHOTOEX as part of UNITAS 2015. UNITAS 2015, the U.S. Navy's longest running annual multinational maritime exercise, is part of the Southern Seas deployment planned by U.S. Naval Forces Southern Command/U.S. 4th Fleet. This 56th iteration of UNITAS is conducted in two phases: UNITAS Pacific, hosted by Chile, Oct. 13-24, 2015, and UNITAS Atlantic, hosted by Brazil scheduled for November. U.S. Navy photo by Mass Communication Specialist 2nd Class Adam Henderson (Released).

 Command Information


             Mission Statement                          

 U.S. Naval Forces Southern Command / U.S. Fourth Fleet (USNAVSO/FOURTHFLT) employs maritime forces in cooperative maritime security operations in order to maintain access, enhance interoperability, and build enduring partnerships that foster regional security in the USSOUTHCOM Area of Responsibility.



 Contact Information


Commander, U.S. Naval Forces Southern Command/ U.S. FOURTH Fleet,
PO BOX 280003
Jacksonville, Florida

  COMUSNAVSO/C4F - Phone Directory: (904) 270-4044

Battle Watch Captain:(904) 270-7216


Last Updated 2/12/2016