Who grunted lt col frank slade's hoo-ah in scent of a woman?

In the film "Scent of a Woman," Lt. Colonel Frank Slade, played by Al Pacino, famously grunts "hoo-ah" as a part of his character's expressive and commanding personality. The phrase is emblematic of military culture and is often used to convey enthusiasm or affirmation. The film showcases Slade's complex character, blending his tough exterior with moments of vulnerability. Al Pacino's performance, including the iconic "hoo-ah," has become a memorable aspect of the film.