JOINT BASE ANDREWS, Md. -- Colonel Ken Rizer, 316th Wing/Joint Base Andrews commander, gives an orientation brief to a group of South African delegates, during a windshield tour of Andrews July 29. The group was in town to tour the Washington D.C. area to gain knowledge on how the Department of Defense supports its military personnel for their own military retention purposes. (U.S. Air Force photo by Senior Airman Katie Spencer)