shunting a broken vessels, and transactional techniques, passing a cancer through the grown and fixing a fistula. fixing hemorrhage in that would. something that's only available in specialized trauma centers here in the u.s. we have on the battlefield. those techniques are being employed today, and in those whose witty as much a doctors are applying them, about 60% of the patients are civilians. >> as a battlefield doctor had to do with the fact that medical ethics will sometimes compel you to treat insurgents? how do you square this with a duty as an air force officer? and then, you know, work through some of the ambiguities air force because that's what a really compelling aspects that come through in your book. >> to be a military physician, which is a in a credible privilege an incredible honor and one i'm very fortunate that i was able to do that work, the most important work i know i will do in my life, it's following two code, code of an officer, code every physician. and i was a additionally, the code of the american citizen, and in my own personal beliefs. taking care of an insurgent,