Army Sgt. David Bardo, B Company, 1st Battalion, 112th Infantry stryker crew member from Cambridge Springs, PA., explains how the M-1126 Stryker armored vehicle is utilized to Leon Anderson and Lydia Mow, both air show attendees, during the 2012 South Africa Aerospace and Defense Exposition here, Sept. 22. The South African and U.S. Air Forces have a long-lasting relationship that was highlighted by the partnership and cooperation between the nations during the event. More than 100,000 visitors attended the event which filled seven hangars with displays and included over 90 aircraft, land vehicles and watercraft. (U.S. Air Force photo/Staff Sgt. Debbie Lockhart)