 Of course, there was a lot of influence from Iran at the time as well. A lot of IEDs being transported over the border and used against us. So it's, as you know, very complex. But without getting into all that, yeah, those are kind of the two basic elements that we dealt with. And what type of development did you see in yourself at that point? Because you've done so much in terms of teaching and training. When you actually get onto the battlefield, what was it like?