Army vet comes back from massive bomb injuries to start Harvard Medical School

Greg Galeazzi trains to become a doctor at Harvard Medical School after a 2011 roadside bomb in Afghanistan tore off both his legs and much of his right arm.
3:00 | 08/14/17

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Transcript for Army vet comes back from massive bomb injuries to start Harvard Medical School
My name is Gregory Galley at CIA was a captain in the united states army and now a first year medical student that harbor them us. They're gone from one uniform to a very different want to go to that that there. I'm graduating part of the RR TC program is seen plus definition that's like and the army. Went out just normal daily patrol that was some local leaders to get a feel for what's going on when he will be held and are on her way back from that mission. And walking down the road. Out of nowhere just been hit by a roadside my legs were my arms it's evident that help as well. That a medic there and add more things it's that issue. So the only thing I could do was scream. My soldiers helicopter. A black staff by the time I was brought to the trauma they they provide me. What I found out then was that the real nightmare. Was just beginning. Even with the most loving supporting family friends community behind me I was the one that was there in the middle of the night. Staring at the clock in pain in two years. Wondering when or if it'll aggregate at which time my eventually detained the pain started to settle every game play string. Hasn't gained much frankness regain mobility. And as a regained the ability answered we came into its. All these experiences. Heading over fifty surgeries hundreds of hours of physical therapy months on end as inpatient hospital Natalie that still want to practice medicine and ash could strengthen my resolve. I started taking night classes and over two years day and taking eighteen horses in march of this year point seven in. I looked up except as an outspoken advocate number one school tools that this or that it's. I received such positive feedback from my classmates and some people saying you know one guy said you single handedly made the expense of Harvard tuition worth it. I've had some of the most. Amazing feeling it rich experience my life since my injury. Not the least of which was. The very first thing that last went back to general psychology class it girl jazz. Eventually today in my house. Planning a wedding for next year's. Even though I've gone through this journey and in. It's now lost how unbelievable this riders and and a lucky guy and he's here. He patiently. Difficult times even when things may be getting worse for a little while to speak English and stick it out that is. This time things do get better.

This transcript has been automatically generated and may not be 100% accurate.

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