Not later than 6:25.
4 seconds sound clip from the At War with the Army (1950) movie soundboard.
You can hear this line at 00:09:33 in the DVD version of the movie.
Quote context
[...]
- Hey, what do you think we've got here? Midgets?
- Captain, what about this training film tomorrow morning?
- Oh yes... that begins at 7 o'clock.
- Now the theater's 2 blocks away so I think we'd better fall out at 6:35.
- They'll want us in front of the battalion headquarters.
- In that case Davenport, have the men lined up and ready to go at... 6:15.
- Roger. I'll take care of that, sir. Right away!
- Oh, Lieutenant. One more thing. Make sure...
- Look what they gave Miller to issue to every man in the company.
- Bullet proof underwear! You know what that means, don't you?
[...]