MAYPORT, Fla. (July 31, 2018) - Commander, U.S. Naval Forces Southern Command/U.S. 4th Fleet, Rear Adm. Sean Buck delivers opening remarks to U.S. and partner nation personnel who comprise the Combined Force Maritime Component Command (CFMCC) portion of exercise PANAMAX 2018. The exercise is focused on the security of the Panama Canal and stability within the U.S. Southern Command area of operations. (U.S. Navy photo by Mass Communication Specialist 2nd Class Michael Hendricks/Released)