<iframe width="580" height="385" src="https://www.youtube.com/embed/t-aKL-4aNnU?hl=en" frameborder="0" allowfullscreen></iframe> <br>Seven years before Greg Galeazzi put on a white coat at Harvard Medical School, he wore Army fatigues while serving a year-long deployment in Afghanistan. <br><a href="https://www.youtube.com/watch?v=t-aKL-4aNnU">source</a>