There's nothing anybody can do about this thing now.
4 seconds sound clip from the Dr. Strangelove movie soundboard.
You can hear this line at 00:22:17 in the Blu-ray version of the movie.
Quote context
[...]
- I'm afraid, sir, I must ask you for the key and the recall code. Have you got them handy, sir?
- I told you to take it easy, Group Captain.
- There's nothing anybody can do about this thing now.
- I'm the only person who knows the three-letter code group.
- Then I must insist, sir, that you give them to me.
- Do I take it, sir, that you are threatening a brother officer with a gun?
[...]