Biographical information; history of U.S. activities in South Vietnam; assignment to Vietnam; Korea; Kumsong salient; Mike O’Daniel; MAAG in Vietnam; 1955 relations with the French; Edward Lansdale; early political-military situation; religious sects; Foreign Legion; French evacuation; President Diem; Nguyen Van Thieu; Nguyen Cao Ky; land reform; relocation; highlands; borders with Cambodia and Laos; hot pursuit; Montagnards; Vietnamese officers and military organizations; Civil Guard; Self-Defense Corps; selection of officers; assassination of Diem; criticism of training; intelligence activities; evidence of infiltration; relations between the Embassy, USOM and President Diem; Senate hearings