All command posts, stand by to fire.
4 seconds sound clip from the The War of the Worlds (1953) movie soundboard.
You can hear this line at 00:31:01 in the DVD version of the movie.
Quote context
[...]
- Is that some kind of a flying machine?
- They must keep the opposing poles in balance and lift the machine.
- All command posts, stand by to fire.
- But, colonel, shooting's no good.
- It's always been a good persuader.
- Shouldn't you try to communicate with them first and shoot later if you have to?
- Target as indicated. Repeat, target as indicated.
- The 75s report they've got them under open sights, sir.
- I think we should try to make them understand we mean them no harm.
[...]