Major General Clark W. LeMasters Jr. is a serving general officer in the United States Army and serves as the 35th Commanding General of the U.S. Army Tank-automotive and Armaments Command Life Cycle Management Command. Previously, he served as the 36th Chief of Ordnance for the U.S. Army and Commandant of the United States Army Ordnance School at Fort Lee, Virginia.

The United States Army Tank-automotive and Armaments Command (TACOM), and its subordinate Life Cycle Management Command (LCMC), headquartered at the Detroit Arsenal in Warren, Michigan, is part of the United States Army Materiel Command (AMC).