Don’t just ban satanic services, flush the Satanists out of the my (I pay for it, as do you) Naval Academy. Satanists don’t understand right from wrong. The Navy needs leaders, not satanist idiots.
You’d call them Secular Humanists, and the central tenant of Satanism is ‘Do what thou wilst.’
Right and wrong are arbitrary in that context. If your interests temporarily align with theirs, you’ll be fine.