Col. Sharon Johnson, the new 910th Maintenance Group commander, receives the 910th MXG guidon from Col. Dan Sarachene, commander of the 910th Airlift Wing, during a change of command ceremony at Hangar 305, January 12, here. Johnson last command was 315th Maintenance Group, 315th Airlift Wing - Joint Base Charleston, South Carolina. (US Air Force photo/Staff Sgt. Jeffrey Grossi)