The U.S. Fourth Fleet is a United States Navy numbered fleet. It is the Naval Component Command of U.S. Southern Command (USSOUTHCOM). The Fourth Fleet is headquartered at Naval Station Mayport in Jacksonville, Florida. It is responsible for U.S. Navy ships, aircraft and submarines operating in the Caribbean Sea, and the Atlantic and Pacific Oceans around Central and South America.
Yvette Marie Davids is a United States Navy vice admiral. She was the first Hispanic American woman to command a navy ship.
Samuel John Paparo Jr. is a United States Navy admiral who has served as the commander of United States Indo-Pacific Command since May 3, 2024. He most recently served as commander of the United States Pacific Fleet from 2021 to 2024.
Michael Paul Holland is a retired United States Navy rear admiral who most recently served as the Chief of Staff of the United States Northern Command. Previously, he was the Director of Programming of the United States Navy. Holland earned a bachelor's degree from Montana State University in 1987.
Blake Lamont Converse is a United States Navy vice admiral and submarine warfare officer serving as deputy commander of the United States Pacific Fleet since May 7, 2021. As deputy commander, he deputizes for the Commander, U.S. Pacific Fleet and handles the fleet's day-to-day administration from headquarters in Joint Base Pearl Harbor–Hickam. He previously served as commander of submarine forces of the Pacific Fleet from February 21, 2019 to April 29, 2021.
Richard John Cheeseman Jr. is a United States Navy vice admiral and surface warfare officer who has served as the deputy chief of naval operations for manpower, personnel, training and education and 60th Chief of Naval Personnel since June 3, 2022. He previously served as a special assistant to the Commander, United States Fleet Forces Command, and prior to that was commander of Carrier Strike Group 10 from December 14, 2020 to April 6, 2022. He has also commanded Carrier Strike Group 2 with tours as commanding officer of the USS Bulkeley (DDG-84) and USS Monterey (CG-61).
Douglas Gordon Perry is a United States Navy vice admiral and submarine warfare officer who serves as the commander of the United States Second Fleet. He previously served as the director of the Undersea Warfare Division of the U.S. Navy from July 16, 2021 to July 24, 2023. He most recently served as the commander of Submarine Group 9 from January 25, 2019, to June 8, 2021. Prior to this, Perry served as director of joint and fleet operations of the United States Fleet Forces Command, with command tours as commodore of Submarine Development Squadron 5 from March 2014 to April 2016 and commanding officer of the USS Pasadena (SSN-752) from October 2006 to February 2009.
Carl Andrew Lahti is a United States Navy rear admiral and submarine warfare officer who is dual-hatted as the 36th commander of the United States Naval Forces Japan and commander of Navy Region Japan since July 14, 2021. As CNFJ/CNRJ, Lahti is responsible for providing shore readiness to U.S. naval forces in Japan and maritime support to the American forward presence in Japan as well as cooperation with the Japan Maritime Self-Defense Force to promote regional stability and deter aggression. He most recently served as the 91st Commandant of Naval District Washington and deputy commander of the Joint Force Headquarters National Capital Region from June 2018 to June 2021.
Brian Patrick Fort is a retired United States Navy rear admiral and surface warfare officer who last served as the 35th commander of the United States Naval Forces Japan and commander of Navy Region Japan from July 10, 2019 to July 14, 2021. As CNFJ/CNRJ, Fort was responsible for providing shore readiness to U.S. naval forces in Japan and maritime support to the American forward presence in Japan as well as cooperation with the Japan Maritime Self-Defense Force to promote regional stability and deter aggression. He previously served as commander of Navy Region Hawaii and Naval Surface Group Middle Pacific from August 2017 to June 2019, with tours as commodore of Destroyer Squadron 26 from June 2013 to June 2015 and commanding officer of USS Gonzalez (DDG-66) from February 2008 to August 2009.
Milton James Sands III is a United States Navy rear admiral and Navy SEAL who has served as the chief of staff of United States Special Operations Command since August 2023. He most recently served as the commander of Special Operations Command Africa from July 1, 2021 to July 21, 2023. Prior to that he served as commander of the Naval Service Training Command from April 25, 2019 to May 27, 2021. Prior to that, he served as vice president of the Joint Special Operations University from 2018 to 2019, with prior tours as commodore of Naval Special Warfare Group 2 from 2016 to 2018 and commander of Seal Team 8.
Craig A. "Clap" Clapperton is a United States Navy vice admiral and naval flight officer who serves as the commander of U.S. Fleet Cyber Command and the United States Tenth Fleet since August 4, 2022. He most recently served as the commander of Combined Joint Task Force, Cyber from June 30, 2021, to June 7, 2022. He previously served as commander of Carrier Strike Group 12 from May 7, 2020 to June 17, 2021.
Paul C. Spedero Jr. is a United States Navy rear admiral and naval aviator who has served as the vice director for operations of the Joint Staff since June 2023. He most recently served as the commander of Carrier Strike Group 8 from May 31, 2022 to June 1, 2023. He most recently served as commander of the Joint Enabling Capabilities Command from July 9, 2021 to May 23, 2022, and prior to that as director for fleet integrated readiness and analysis on the staff of the United States Fleet Forces Command.
Daniel Lyle Cheever is a United States Navy vice admiral who has served as Commander, Naval Air Forces since January 31, 2024. He most recently served as chief of staff of the North American Aerospace Defense Command and United States Northern Command from 2022 to 2023. He previously served as the Director of Plans, Policy, and Strategy of the North American Aerospace Defense Command and United States Northern Command from 2020 to 2022. He previously served as the Commander of Carrier Strike Group 4. Raised in Downers Grove, Illinois, Cheever earned a Bachelor of Business degree from Western Illinois University in 1986. He joined the Navy in 1988 and, after flight training, was designated a naval aviator in 1990.
Richard Thomas Brophy Jr. is a United States Navy rear admiral and naval aviator who serves as Chief of Naval Air Training since July 19, 2022. He most recently served as commander of Carrier Strike Group 4 from May 17, 2021, to July 8, 2022. He previously served as commander of the Naval Aviation Warfighting Development Center from May 2019 to May 2021, with commands of Carrier Air Wing 9 from January 2015 to June 2016 and Strike Fighter Squadron (VFA) 115 from 2007 to 2009.
Michael P. "Buzz" Donnelly is a United States Navy rear admiral and naval flight officer who has served as Director of Air Warfare of the United States Navy since August 3, 2023. He most recently served as the commander of Carrier Strike Group 5 and Task Force 70 from October 2021 to June 2023. He previously served as the 37th commander of United States Naval Forces Korea, concurrently serving as commander of Navy Region Korea and Task Force 78 from April 2019 to September 2021.
James Edward Pitts is a United States Navy vice admiral who has served as the deputy chief of naval operations for warfighting requirements and capabilities since December 2023. He most recently served as the Director of Warfare Integration from 2020 to 2023. Previously, he served as the commander of Submarine Group 7.
