- Masters, sound general quarters.
- Aye, sir.

5 seconds sound clip from the X Minus 1 - Mars is Heaven by Ray Bradbury classic radio dramaseries.

You can hear this line at 00:02:31 in the radio play.

Quote context

[...]

- And on that day, man will finally know the answers, the day we first land on Mars.

(COMSTAT BEEPING and BOSUN's WHISTLE)

- Now hear this. Now hear this. Approaching critical deceleration. Fasten gravity suits. Stand by to land.

- There it is. We've intersected the course vector, sir.

- All right, Mr. Lustig. Over to manual control.

- Aye, sir.

- Masters, sound general quarters.

- Aye, sir.

(ALARM for General Quarters)

- Mr. Lustig, what do you make of the terrain?

- There seems to be a heavy ground mist, Captain. We won't be able to use the infrared lights.

- Then we'll have to come in on radar.

[...]