Yes, 'under the influence' is about right.
You need to go to OASC fully prepared, or expect to walk away after day 1.
Shouldn't be too hard to get yourself equipped being in the cadets, now should it? Or try the careers office. Or the web. There's a lot of useful stuff out there that just requires a little searching.
Put it this way, if you want to be doing this job for the next 18 years of your life, a few hours research isn't really too hard.
