Gunnery Sgt. Hartman: How tall are you, private?
Pvt. Cowboy: Sir, five-foot-nine, sir.
Gunnery Sgt. Hartman: Five-foot-nine, I didn't know they stacked shit that high!
This quote occurs at 00:04:57-00:05:05 in the video.
A pragmatic U.S. Marine observes the dehumanizing effects the Vietnam War has on his fellow recruits from their brutal boot camp training to the bloody street fighting in Hue.