COL (Ret.) Kelso C. Horne III, US Army Chemical Materials Activity (CMA) , USA


Mr. Kelso C. Horne III became the Director of the U.S. Army Chemical Materials Activity (CMA) in November 2020 after retiring from the U.S. Army. As CMA’s Director, Mr. Horne oversees the organization’s mission to manage the Nation’s stockpile of chemical weapons, assess and destroy chemical warfare materiel, comply with chemical weapons treaty, and protect people and the environment. The product of an Army Family, he was commissioned as a second lieutenant in the Chemical Corps in August 1993 after graduating from the University of Georgia with a Bachelor of Business Arts.

Mr. Horne’s previous positions include: Commander, 112th Chemical Reconnaissance Detachment (Airborne), Fort Bragg, North Carolina; Commander, HHD, 26th Forward Support Battalion, Fort Stewart, Georgia and Iraq; and Security Transition Team 1, 1st Stryker Brigade Combat Team, 25th Infantry Division, Kandahar Province, Afghanistan; Commander, Pine Bluff Arsenal, Arkansas.

Other staff assignments include: Battalion Chemical Officer, 1st Battalion, 503d Infantry (Air Assault), and platoon leader, 4th Chemical Company, both at Camp Casey Korea; Battalion Chemical Officer, 3d Battalion, 3d Special Forces Group (Airborne), Fort Bragg, North Carolina; 3d Infantry Division Artillery Chemical Officer, Fort Stewart, Georgia; Chemical Training Team Chief, later Battalion Executive Officer, 3d Battalion, 346th Infantry Regiment, Camp Shelby, Mississippi; Deputy Division Chemical Officer, 3d Infantry Division (Mechanized), Fort Stewart, Georgia and Baghdad, Iraq; Brigade CBRN Trainer/Brigade Plans, Future Operations & Current Operations Trainer, Operations Group, National Training Center, Fort Irwin, California; Division Chemical Officer, 10th Infantry Division (Mountain), Fort Drum, New York and Kandahar, Afghanistan; and, Chemical Organization Integrator, G37 Force Management, Headquarters, Department of the Army; and Director of Operational Protection, Eighth Army, Republic of Korea.