General John A. Wickham is a retired United States Army officer who served as the 26th Chief of Staff of the Army from 1983 to 1987. He was born on December 4, 1931, and had a distinguished military career, participating in various operations and holding key leadership positions. Wickham is known for his contributions to military strategy and modernization during the Cold War era. He played a significant role in the development of the Army's training and readiness programs, ensuring that the U.S. Army was prepared for future challenges.