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U.S. Marine Gen. Francis L. Donovan, commander of U.S. Southern Command and Rear Adm. Carlos Sardiello, commander of U.S. Naval Forces Southern Command/U.S. 4th Fleet, along with senior executive services representatives and partner nation officials stand for a group photo during FLEX 2026 on April 29, 2026.

FLEX 2026

News
May. 01, 2026

U.S. Naval Forces Southern Command / U.S. 4th Fleet (USNAVSOUTH/4th Fleet) successfully concluded its annual...
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Rear Adm. Carlos Sardiello, commander of U.S. Naval Forces Southern Command/U.S. 4th Fleet, left, signs a memorandum of agreement as Vice Adm. Juan Ricardo Rozo Obregón, commander of the Colombian Navy, observes during the United States - Colombia Maritime Staff Talks closing ceremony March 27, 2026 in Cartagena, Colombia. Sardiello, led the U.S. delegation for the annual Maritime Staff Talks, reaffirming the enduring partnership between the two nations and outlining a path for future collaboration in the maritime domain. U.S. Naval Forces Southern Command/U.S. 4th Fleet serves as a trusted maritime partner for Caribbean, Central, and South American maritime forces, working to promote unity, security, and stability throughout the region.

U.S. and Colombian Navies Reinforce Partnership ...

News
Mar. 30, 2026

Senior naval leaders from the United States and Colombia convened in Cartagena from March 24-27, 2026 for the...
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The official logo for Southern Seas 2026. The Nimitz-class aircraft carrier USS Nimitz (CVN 68) will deploy to the U.S. Southern Command area of responsibility as part of U.S. Naval Forces Southern Command/U.S. 4th Fleet’s Southern Seas 2026 deployment. Southern Seas aims to enhance regional maritime partnerships, interoperability, and security throughout the Caribbean, Central, and South America.

U.S. 4th Fleet Announces Southern Seas 2026 Depl...

News
Mar. 23, 2026

Nimitz-class aircraft carrier USS Nimitz (CVN 68) will deploy to the U.S. Southern Command area of...
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The world's largest aircraft carrier, USS Gerald R. Ford (CVN 78), transits the Strait of Gibraltar, Nov. 4, 2025. Gerald R. Ford, a first-in-class aircraft carrier and deployed flagship of Carrier Strike Group 12, is on a scheduled deployment in the U.S. 6th Fleet area of operations to support the warfighting effectiveness, lethality and readiness of U.S. Naval Forces Europe-Africa, and defend U.S., Allied and partner interests in the region. (U.S. Navy photo by Mass Communication Specialist 2nd Class Triniti Lersch)

Gerald R. Ford Carrier Strike Group Enters U.S. ...

News
Nov. 11, 2025

The Gerald R. Ford Carrier Strike Group, led by the world’s largest aircraft carrier, USS Gerald R. Ford (CVN...
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