LEGION OF MERIT U.S. Navy Adm. Mike Mullen, left, chairman of the Joint Chiefs of Staff, presents South African Gen. Godfrey Nhlanhla Ngwenya, chief of the National Defense Force, with the Legion of Merit for his leadership during a time of transition in the South African military and South Africa's support of vital NATO peacekeeping operations in Sudan, Burundi and Congo at the Pentagon, May 20, 2010. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 498235-H-YLZ22-350.jpg Photo Gallery