A U.S. Air National Guard C-17 Globemaster III from the 137th Airlift Squadron at Stewart Air National Guard base in Newburgh, N.Y., sits open for the public to tour during the 2012 South Africa Aerospace and Defense Exposition here, Sept. 22. More than 100,000 visitors attended the event which filled seven hangars with displays and included more than 90 aircraft, land vehicles and watercraft. Event coordinators said this was the largest air show in this area in the last five years.