Lt Col Yeung was commissioned through the Reserve Officer Training Corps in July 2004 after graduating from California State University, San Bernardino with a bachelor of arts degree in psychology. He has served in a variety of positions in Intercontinental Ballistic Missile (ICBM) operations and Nuclear Command & Control (NC2) operations in Air Force Space Command, Air Force Global Strike Command, Air Education and Training Command, United States Strategic Command and the Joint Staff. He currently commands and is responsible for recruiting, training, educating, and motivating officer candidates for a commission in the Air and Space Forces. As chair of the Department of Aerospace Studies, he oversees and instructs a wide range of curriculum to include the foundations of the Air Force, evolution of air and space power, leadership studies, and national security affairs.