You're at attention, Mr. Pennell!

2 seconds sound clip from the She Wore a Yellow Ribbon movie soundboard.

You can hear this line at 00:57:35.504 in the Blu-ray version of the movie.

Quote context

[...]

- What is this all about, Mr. Cohill?

- Sir, I... I decline to answer. Respectfully.

- It is a bitter thing indeed to learn that an officer who's had nine years' experience in the cavalry, the officer to whom I'm surrendering command of this troop in two more days,

- Should have so little grasp of leadership, as to allow himself to be chivvied into a go at fisticuffs, while Taps still sounds over a brave man's grave.

- God help this troop when I'm gone.

- You're at attention, Mr. Pennell!

- You get back to the troop area.

- You'll have the men build their squad fires higher.

- Make the fullest show of bedding down for the night.

- Then we're sneaking out. Heading for the river, going back.

[...]