Welcome to Army Community Service (ACS)! Our mission is to provide “Real Life Solutions for Successful Army Living” for all of our Soldiers, Retirees, Army civilians, and Family members. ACS offers comprehensive and effective programs and services to meet the needs of the Yuma Proving Ground community. The Yuma Proving Ground ACS team is dedicated to improving the quality of life for every Soldier, Retiree, Army civilian and Family member. Pursuing excellence is our goal, and there is no finish line in the pursuit of excellence.