It is found in the Nucleus, on a chair in a shack near the submarine's periscope.
You would do well to remember you live among the blessed Children of the Nucleus now, child. The ways of your former family hold no sway here.
Are you truly so eager to abandon what Atom has given us? To skirt your responsibility to Him and this land He has claimed for you? Division will still be ours. We simply must be patient in its pursuit.
So put from your mind the vessel's holy bombs for now. Instead, focus on the gifts Atom has provided and consider ways you can show Him your gratitude.