Now, it should be transmitted in the clear, so there can't be any question about Japanese operators getting every word of it.

6 seconds sound clip from the Midway (1976) movie soundboard.

You can hear this line at 00:19:36.464 in the Blu-ray version of the movie.

Quote context

[...]

- Now, a Jap reconnaissance pilot radioed his base that he's passing close to AF.

- Now, we've plotted every possible course his plane might have taken, and the only appreciable landmass he could have overflown at the time was Midway.

- Joe!

- I know it's thin.

- Thin? Damn near invisible!

- But I figured out a way to confirm it, sir.

- Now, if you'll have this flown to Midway. It's a fake message, Admiral, reporting that Midway's freshwater condenser's broken down.

- Now, it should be transmitted in the clear, so there can't be any question about Japanese operators getting every word of it.

- Instruct Midway to include that in their housekeeping traffic tomorrow.

- Aye-aye, sir.

- Send this right away.

- Hey, Chief! What's this? There ain't nothing wrong with our freshwater condenser! I was just over there.

- Dombrowski, send it.

- Christ, I think the goddamn heat's getting to everybody here.

- Have this intercept coded and transmitted to fleet headquarters!

[...]