John was Past Commandant of t h e Y u m a T e r r i t o r i a l Detachment 635 of the Marine Corps League, a member of the American Legion Post 56 in Yuma and a member of the VFW Post 1763 in Yuma. John was also a volunteer referee for the Arizona Interscholastic Association. Retired as a Sergeant Major after 30 years in the USMC. He was a certified Federal Career Counselor, a Veterans Business Services Representative at DES, and a Dept. of Labor Employment Workshop Facilitator. John is survived by his wife; Almina DeWitt, son; John DeWitt Jr. of Phoenix, Arizona, daughters; Charmain Rowlette-Fernandes of Atlanta, Georgia, Jessica DeWitt of Charlotte, North Carolina, son-in law; Neri Fernandes, brothers, Herbert DeWitt of Ft. Worth, Texas, George Dewitt of of Mansfield, Louisiana, Eva Dean of San Bernardino, California, and many other friends and relatives. A memorial service will be held at community Christian Church, 6480 E Highway 95, Yuma, AZ on Saturday October 7th, 2017 at 10:00 a.m. Military honors provided by the USMC Honor Guard. Sunset Vista Funeral Home & Cemetery handled the funeral arrangements.