>>12775744Run. Run a lot. Run with weights. Practice going prone with weights. Practice standing back up from prone with weights.
Read about obscure and seemingly unimportant and tedious stories of military history, modern and ancient. This will test your patience more than it will give you knowledge.
Most importantly, listen to your superiors. Ask questions, absorb their wisdom and make it your own. Even if they are dicks, they still have lessons to teach you.
Drill sgt's are just there to stress you out in order to test how you operate under stress.