The U.S. Army Combined Arms Center (USACAC) is located at Fort Leavenworth and provides leadership and supervision for leader development and professional military and civilian education; institutional and collective training; functional training; training support; battle command; doctrine; lessons learned and specified areas the Commanding General, United States Army Training and Doctrine Command (TRADOC) designates in order to serve as a catalyst for change and to support developing relevant and ready expeditionary land formations with campaign qualities in support of the joint force commander.

William Scott Wallace is a retired four-star general in the United States Army. He served as Commanding General, United States Army Training and Doctrine Command (TRADOC) at Fort Monroe, Virginia from October 13, 2005, to December 8, 2008. He retired from the army on December 8, 2008.