But on a serious note, I would like to see a group of Marines hooked up with some powered body armor.
http://www.technovelgy.com/ct/Science-Fiction-News.asp?NewsNum=11
Its my understanding he has prepped an army of his companions, and taught them most everything he knows... this would be a great asset against AQ and their dark lord. Especially helpful would be Hermione, Ron... and lets not forget Dudley!