U.S. Soldiers and civilians from across the Fort McCoy Community participate in Armed Forces Day at Fort McCoy, Wisconsin, May 16, 2026. Fort McCoy hosts Armed Forces Day each year, welcoming members of the surrounding community to visit the installation, learn about military life, and see firsthand what Soldiers do on base. (U.S. Army photo by Staff Sgt. Avery Cunningham)
on July 8, 2026 First Army conducted its Change of Responsibility between outgoing Command Sgt. Maj. Christopher Prosser and welcomes incoming Command Sgt. Maj. Randolph Delapena at Rock Island Arsenal, IL.
In a historic ceremony set against the backdrop of the historic Quarters One, First Army’s Division East and Division West formally cased their colors on July 8, 2026.
It has been the honor of my career to serve as the Command Sergeant Major of this outstanding organization for the past 37 months. As I prepare to depart from this position that has meant so much to me both personally and professionally, I want to share a few reflections with all of you who remain to carry on our essential mission: partnering with, enabling, and mobilizing our Reserve Component peers.
