 At some point, you know, you're in the, it's like the knights at Agincourt when you go back to that battle. The French knights were so heavily armored that they were knocked off their horses by infantrymen with pikes, and they were opened up like tin cans. So we've got to make sure that we don't get so heavy that we've ranged ourselves into non-mobility. And what was the other part of your question?