Two U.S. Air Force C-130J Super Hercules aircraft, assigned to the 37th Airlift Squadron, sit on the ramp prior to a flight at Plovdiv Airport in Plovdiv, Bulgaria, Sept. 24, 2019. Airmen and aircraft from the 37th AS arrived in Bulgaria on Sept. 23, to kick off exercise Thracian Fall 2019. (U.S. Air Force photo by Staff Sgt. Kirsten Brandes)
