Nguyễn Cao Kỳ was a South Vietnamese military officer and politician who served as the chief of the Republic of Vietnam Air Force in the 1960s, before leading the nation as the prime minister of South
Kỳ in 1966
Kỳ (far right), US President Lyndon B. Johnson, General William Westmoreland, and President Nguyễn Văn Thiệu together in October 1966
Kỳ with Lyndon Johnson during the Honolulu summit in Hawaiʻi in 1966
Kỳ with Prime Minister Harold Holt on his controversial 1967 visit to Australia
Nguyễn Chánh Thi was an officer in the Army of the Republic of Vietnam. He is best known for being involved in frequent coups in the 1960s and wielding substantial influence as a key member of various
Thi (left) and Thiệu (right) during the 1960s. Both were prominent in Saigon military politics in the 1960s.
Nguyễn Cao Kỳ, Thi's fiercest rival.
William Westmoreland, the US commander in Vietnam, disapproved of Thi and supported his removal from command.