Rear Admiral Sean S. Buck

Commander, U.S. Naval Forces Southern Command
Commander, U.S. 4th Fleet

Rear Admiral Sean S. Buck


Rear Adm. Sean Buck is a native of Indianapolis. He graduated in 1983 from the United States Naval Academy. He was designated a naval flight officer in 1985. He holds a master’s degree in International Security Policy from The George Washington University in 1992. Additionally, his education includes College of Command and Staff, U.S. Naval War College; Armed Forces Staff College; and Massachusetts Institute of Technology’s Seminar XXI "Foreign Politics, International Relations, and the National Interest."

As a flag officer, he has served as commander of Patrol and Reconnaissance Force 5th/7th Fleet and Fleet Air Forward; commander of Patrol and Reconnaissance Group; on the Navy Staff as director of  21stCentury Sailor Office (N17); and most recently as chief of staff, J5, Joint Staff.

Flying the P-3C Orion, his early at-sea operational tours were in Patrol Squadron (VP) 40, a disassociated sea tour on USS Theodore Roosevelt (CVN 71) as the V-2 catapult and arresting gear division officer and a department head tour in VP-26. He subsequently commanded VP-26 and Patrol and Reconnaissance Wing 11.

His shore and staff assignments include Air Test and Evaluation Squadron (VX) 1; the Bureau of Naval Personnel; The Joint Staff J3; Office of the Chief of Naval Operations (OPNAV) staff as executive assistant to the deputy chief of Naval Operations (CNO) for Warfare Requirements and Programs, N6/N7; and the U.S. Joint Forces Command as the deputy director for Operations in the Strategy and Policy Directorate, J5. Prior to major command, he completed an interim assignment with the National Reconnaissance Office (NRO). He is a member of the Navy’s Space Cadre.

He also completed a special assignment as a senior fellow on the CNO’s Strategic Studies Group (SSG) in Newport, Rhode Island, an innovation think tank for the Navy.

Buck is entitled to wear the Defense Superior Service Medal (two awards), Legion of Merit (five awards) and various other personal, unit and service awards.


Updated: 11 January 2017