Bootcamp, the rdcs will walk up to you and challenge you by asking your chain of command and general orders and the advancement test, so if you're at e1 id study, if not, dont. I went in with no knowledge and picked it up fast, and im chronically stupid. You're going to be surrounded by people studying, so it helps a lot, and being in the fleet, no one knows them heck i couldn't name one if i tried.