Warren County veterans service officer Chuck Mayfield has tendered his resignation with the county effective March 31.In his resignation letter, Mayfield said, “I so much appreciate the support you have given me during my time as service officer. I could never repay or say thank you enough for your kindness towards this officer and the veterans of Warren County.”County Executive John Pelham said, “Chuck’s done a great job. Even though that is a part-time position, it does a lot for our veterans.