sentences:  As of November 1963, Nhung had risen to the rank of captain.On 1 November 1963, a group of ARVN generals, led by Minh, orchestrated a coup against President Ngô Đình Diệm.The plotters summoned a group of ARVN officers to the Joint General Staff headquarters at Tân Sơn Nhứt Air Base, on the pretext that they were going to attend a lunch meeting.