180601-N-PQ607-1412 MAYPORT, Fla. (June 1, 2018) Retired Rear Adm. Sinclair Harris delivers remarks as a panel member at the U.S. 4th Fleet 10th Anniversary Symposium. The symposium panel opened discussion for pertinent questions related to the interoperability between navies and informed all guests of the mission, history and intent of U.S. 4th Fleet. (U.S. Navy photo by Mass Communication Specialist 2nd Class Michael Hendricks/Released)