President Ngo Dinh Diem of Vietnam on left with Donald Quarles Deputy Secretary of Defence revewing a guard of honour outside the Pentagon in honour...
{"Image ImageDescription": "16th May 1957:  President Ngo Dinh Diem of Vietnam on left with Donald Quarles, Deputy Secretary of Defence revewing a guard of honour outside the Pentagon in honour of the President's visit.  (Photo by Keystone/Getty Images)"}