Son, we need a weapon that could, on command, destroy a country the size of, oh, say, Iraq. I'll be back later to check on your progress.
Obviously, I had moral issues with this. How would I be able to sleep at night, knowing I had created a weapon capable of killing millions of innocent people?
Hmm...
On the other hand, I was getting four and a half million dollars for it.
Let's see...I'll need a remote detonation device...