Class act
Air Force Reserve Lieutenant Col. David Booher, 919th Maintenance Group deputy commander, instructs Eglin Air Force Base active-duty and civilian students in maintenance resource management principles. The Duke Field Airman was one of two reservists selected by Air Force Materiel Command to teach the active-duty course covering areas such as mitigating the consequences of human error and identifying the human factor cause of most aircraft maintenance mishaps. (Courtesy photo)