181120-F-PO994-0119
Chief Master Sgt. Mark Mercer, 413th Flight Test Group operations superintendent, gives remarks on his career and journey during a promotion ceremony at the Museum of Aviation, Warner Robins, Ga., Nov. 20, 2018. Mercer celebrated is new rank with many friends and family who traveled from various places throughout the country to honor him. (U.S. Air Force photo by Jamal D. Sutter)