 On 22 November 1963, Kennedy was assassinated and succeeded by Lyndon Johnson.In December 1963, Johnson sent McNamara on another "fact-finding mission" to South Vietnam to assess General Minh's performance.On 19 December 1963, McNamara reported the situation was "very disturbing" as the "current trends, unless reversed in the next two or three months, will lead to neutralization at best or more likely to a Communist-controlled state".