Well, let's have it.
3 seconds sound clip from the At War with the Army (1950) movie soundboard.
You can hear this line at 00:03:59 in the DVD version of the movie.
Quote context
[...]
- Okay, take them away. Right Sarge.
- What are they gripping about?
- Well, they've got to eat them. Well, I've got to cook them.
- In the Navy they get steak, caviar and whipped cream cake.
- They have fancy cooks who know what cooking means.
- In the Army we get mess, and it really is a mess.
[...]