Keep your Dorkstick (Lest I offend anyone with that,) hard and your powder dry!
Questions you may have, and lots of others returning can tell you more.
Man, young or old: you have been through the best training given, take that as note. Be better than when you were in training.
Although it might seem a stretch: your NCOs are there to look out for you: utilise that. Gain what you know from them: watch them.
Officers...well....they shower down confusion to the NCOs too...so the NCOs are the true buffer...