Minus 20 seconds, minus 20.
5 seconds sound clip from the The Angry Red Planet movie soundboard.
You can hear this line at 00:04:36 in the Blu-ray version of the movie.
Quote context
[...]
- Mark!
- Main guiding gyros starting.
- Remote-control firing switches... on!
- Ten seconds. Nine, eight, seven, six, five, four, three, two, one, fire!
- Great. Then there is fuel aboard.
- Right! But there's only one question: how much?
- I want the arrival time of the ship computed. Notify me as soon as you have it.
[...]