Algren: "Sergeant Gant did you hear my order." Gant: "I did indeed sir." Algren: "Good, then you will obey it. Now!" Gant: "No disrespect intended sir but, shove it up your ass."
Gant telling Algren to shove it up his ass when he tells him to leave the battle so he doesn’t get in harms way. This is the first encounter Algren has with Katsumoto.