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You. >> reporter: for some, the rush into intensive care, even as stretchers keep coming off the flight from afghanistan. specialist gary davis arrived from afghanistan days ago. he survived a massive roadside bomb. portions of both legs have been amputated. >> we flipped over. everybody had their seat belts and stuff on. but, you know, we were in pain. i got out of the vehicle, undid my seat belt and i just, you know, flopped onto the ground. with all the adrenaline going through me, i did notice that my legs were messed up. i crawled as far as i could to a door. that's all the energy i had. ...

Conflict in iraq. >> reporter: specialist gary davis arrived here from afghanistan a couple of days ago. he survived a massive roadside bomb. portions of both legs have been amputated. >> we flipped over. everybody had their seat belts and stuff on. but we were in pain. i got out of the vehicle, undid my seat belt and i just plopped on to the ground. with all the adrenaline going through me, i did notice that my legs were messed up. but i crawled as far as i could to the door, that's all the energy i had. and i just kept on yelling, help me, help me. >> reporter: davis is on constant pain medi...

But, you know, we were in pain. i got out of the vehicle, undid my seat belt and, you know, i just flopped onto the ground. with all the adrenaline going through me. i did notice that my leg s were messed up, but i crawled as far as i could to the door. that's all the energy i had, and i just kept on yelling, help me, help me. >> reporter: davis is on constant pain medication, but, still, doctors will try to get him out of bed and into a chair. he will fly home within hours. >> take him to the e.r.? >> reporter: back out front with the teams who handle the wounded, this specialist giggles abou...

Director lieutenant colonel raymond fang has seen first hand what is happening to the troops carrying out the strategy of protecting afghan civilians. >> we see a lot more injured, what we call dismounted ied injuries on foot patrol, and here we are seeing truly devastating extremity am youtations, and we are seeing more than three or four extremity amputations than i had seen in the conflict in iraq. >> reporter: specialist gary davis arrived here from afghanistan a couple of days ago. he survived a massive roadside bomb, and portions of both legs have been amputated. >> we flipped over and e...