army. so the goal, the protocol is to always have security forces. they're called guardian forces stay with the american side so they can focus on their mission, which is training, advising and assisting and not be worried about the security component. we flew over here on blackhawks. now we're on this operating base. we will be heading back later tonight. the goal really is to stand up the afghan forces, help them defeat the taliban so the taliban can be forced to the negotiating table. when you look at the threats we've seen in increase since president trump's new strategy, you are seeing more vehicle born improvised explosive devices. because of that you tend to do a lot of movement by helicopter. after 16 years of war, it is too risky sometimes to travel by road. back to you. >> take care out there. thank you so much. with us now, medal of honor