Air Force Col. (Dr.) Christian Benjamin begins his daily run, at Bagram Air Base, Afghanistan, April 12, 2011. Benjamin is the commander of the 455th Expeditionary Medical Group. Over the course of 12 years, he has run more than halfway around the world, including more than 2,750 miles during deployment to Iraq and Afghanistan. Air Force photo by Senior Airman Sheila deVera Air Force Col. (Dr.) Christian Benjamin begins his daily run, at Bagram Air Base, Afghanistan, April 12, 2011. Benjamin is the commander of the 455th Expeditionary Medical Group. Over the course of 12 years, he has run more than halfway around the world, including more than 2,750 miles during deployment to Iraq and Afghanistan. Air Force photo by Senior Airman Sheila deVera SHARE: Download: Full Size (1.65 MB) Credit: VIRIN: 765780-K-IZI26-306.jpg Photo Gallery