 He was subsequently transferred to the Headquarters Marine Corps for duty as special assistant in recruiting matters to the deputy director of personnel.Mize served in Washington until July 1971 and then was ordered back to the Marine Corps Base Quantico for duty as deputy base commander for support under Lieutenant General William G. Thrash.He received his second star upon the promotion to major general in July 1973 and assumed duty as director, Office of Naval Disability Evaluation.