The Central Intelligence Agency (CIA) regarded Tung as the third most powerful man in South Vietnam behind Diệm and Nhu, thereby ranking him as South Vietnam's most powerful military officer.
Central Intelligence Agency (CIA) menganggap Tung sebagai pria paling berkuasa ketiga di Vietnam Selatan setelah Diệm dan Nhu, sehingga menjadikannya perwira militer paling berkuasa di Vietnam Selatan.