PITTSBURGH INTERNATIONAL AIRPORT AIR RESERVE STATION, Pa. -- Maj. Shelly A. Martin, 911th Maintenance Squadron commander, introduced herself to 911th MXS Airmen as the new commander of the squadron during an assumption of command ceremony at the Pittsburgh International Airport Air Reserve Station, Feb. 8, 2020. Though assumption of command ceremonies are largely symbolic, they allow Airmen to meet and speak to their new commander after he or she takes command.