[That was the danger of a weapon. Anyone who knew how could use it. One reason she had more than one involved was to make sure it wasn't used on the fly, without any thought.]

Kaworu, if you haven't noticed, I'm paranoid. I half expect him to betray the travelers still here when the war ends. Though... that paranoia's fading with time.

And yes, you could say this is meant to prepare for the worst. It's taken so long to prepare that... well, if we didn't start already, I don't know that it could have been available if the travelers needed it otherwise.