Sgt. Angela Williams examines a young patient's teeth while he waits for the dentist. Sgt. Angela Williams examines a young patient's teeth while he waits to see the dentist during a medical civil assistance program in Guyana on Sept. 3, 1997. The program is part of the joint-combined humanitarian Exercise New Horizon Guyana 1997. U.S. forces, the Guyana Defense Force and local community leaders are working together to accomplish engineer construction and medical projects. Williams is a U.S. Army National Guard dental assistant. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 938056-B-MBK44-349.jpg Photo Gallery