(Right) Col. Renita Alexander relinquishes her command of the 28th Mission Support Group to Col. Scott Vander Hamm, 28th Bomb Wing commander, in Dock 33, Aug. 1. The 28 MSG supports more than 16,000 active-duty members, dependents, Department of Defense civilians and military retirees living in the Rapid City area. Colonel Alexander is retiring after nearly 27 years in active-duty service. (U.S. Air Force photo/Senior Airman Marc I. Lane)