Sector Jacksonville was established on August 16, 2005 from the reorganization and consolidation of Group Mayport, Base Mayport. Sector Jacksonville is located on six acres of land adjacent Naval Station Mayport, along the St. Johns River in Mayport, FL. The mission of Sector Jacksonville is to provide unified command and control for accomplishing Coast Guard mission objectives. Sectors provide strategically guided, goal focused, and high performance service delivery across the full range of Coast Guard missions.