Col. James L. Hartle, right, receives the 452nd Maintenance Group guidon from Brig. Gen. Russell A. Muncy signifying the acceptance for his new role as commander of the 452nd MXG during his Assumption of Command Ceremony, held at the Cultural Resource Center, March Air Reserve Base, Aug. 7. The ceremony is a formal invocation of responsibility, authority, and accountability to the new commander. (U.S. Air Force photo/Senior Airman Joseph Dangidang)