"By the mid-sixties, the United States had poured more than half a million troops into South Vietnam"

In this quote, Nguyen Cao Ky is describing the participation of the United States in the Vietnam War during the mid-1960s. He mentions that the US had sent over 500,000 troops to South Vietnam, suggesting the considerable military presence and commitment to the conflict. This number highlights the scale of the United States's involvement and the resources that were dedicated to the war effort. It also recommends the intensity of the fighting and the level of commitment from both sides. Overall, this quote emphasizes the magnitude and effect of the Vietnam War on both the US and Vietnam throughout this time duration.