There seems to be a heavy ground mist, Captain. We won't be able to use the infrared lights.
6 seconds sound clip from the X Minus 1 - Mars is Heaven by Ray Bradbury classic radio dramaseries.
You can hear this line at 00:02:40 in the radio play.
Quote context
[...]
- There it is. We've intersected the course vector, sir.
- All right, Mr. Lustig. Over to manual control.
- Masters, sound 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.
- Isn't that a little risky, sir? Landing in the dark.
- I'd rather run the danger of a blind landing, than come in without the cover of darkness.
- Remember we don't know what kind of reception is waiting for us down there.
[...]