170111-N-TP832-038 JACKSONVILLE, Fla. (Jan. 11, 2016) Gas Turbine System Technician (Mechanical) 3rd Class Marshall Jordan, assigned to Southeast Regional Maintenance Center (SERMC) onboard Naval Station (NAVSTA) Mayport, tests and re-assembles a pressure relief valve. SERMC provides surface ship maintenance, modernization, and technical expertise in support of the ships and facilities onboard NAVSTA Mayport. (U.S. Navy photo by Mass Communication Specialist 3rd Class Michael Lopez/Released)