Lt. Col. Brad Dvorak accepts command of the 552nd Operations Support Squadron in an official ceremony on June 7. The change of command was presided over by Col. Joshua Conine, commander of the 552nd Operations Group while Master Sgt. Nathan Davis, the First Sergeant of the 552nd OSS, served as the guidon bearer. (U.S. Air Force photo/2nd Lt. Ashlyn K. Paulson).