So long.

4 seconds sound clip from the Fiend Without a Face (1958) movie soundboard.

You can hear this line at 00:09:53.618 in the Blu-ray version of the movie.

Quote context

[...]

- You don't have to apologize for him.

- Well, I'm not. It's just that he has a job to do, a difficult one under the circumstances.

- Please, I'd rather not discuss it. Okay. I was only trying to...

- Trying to what?

- Oh, I don't know.

- I guess I was looking for a way to say I understand what you've been through.

- Do you?

- What the heck? I'm human. We're all human here. We're not monsters from outer space.

- Well, thanks.

- What for?

- Oh, for the lift and the words of comfort.

- I wish I could do more.

- I have no hard feelings, if that's what you're thinking.

- Well, I was, but not anymore.

- So long.

- Control ready, sir.

- Green Dog, Green Dog, this is Pyramid. Are you ready for Test Baker? Over.

- This is Green Dog. This is Green Dog. We are circling quite easily at 40000 feet. Standing by for Test Baker. Over.

- Okay, Green Dog, commence Test Baker. Commence Test Baker. Over.

[...]