SOFIA, Bulgaria – On June 11, approximately 70 Soldiers and Airmen from the Tennessee National Guard landed is Sofia, Bulgaria, to begin an international joint readiness exercise, Thracian Sentry 2023. More than 170 military personnel from the Bulgarian Armed Forces, the Hellenic Air Force in Greece, and the Tennessee Army and Air National Guard have partnered to develop and improve skills which include combat medical care, aircraft fire rescue, joint operations, logistics and sustainment, aeromedical evacuation, and weapons training.