01/20/2026
U.S. Army Maj. Gen. D.A. Sims II, the commanding general of the 1st Infantry Division and Fort Riley, speaks at a Change of Responsibility Ceremony at the 1st Infantry Division Headquarters (Victory Hall), Fort Riley, Kansas, Oct. 19, 2024. The ceremony was held to welcome U.S. Army Command Sgt. Maj. Christopher L. Mullinax, the incoming 1st Infantry Division and Fort Riley command sergeant major, and say farewell to U.S. Army Command Sgt. Maj. Raymond S. Harris, outgoing 1st Infantry Division and Fort Riley command sergeant major.