If the original poster hasn't found out for himself yet drill is undertaken throughout basic training. More so early on as your time as a Nod. You get to march up and down, march backwards and forwards , march in circles, march slowly, march loudly, march until you really cant be fucked to march any more. Then it drops off and you don't really do much drill shit then you do your commando course and become the Kings squad, then you get to march up and down, march slowly, march cleverly. march to music. Yay for marching. Then You get to hear the magical words...."Royal Marines, to your duties, quick, March" You then march to "A life on the ocean wave". After this you get to a unit and mostly just bimble.