Col. Cory Strobel conducts a physical April 18, 2010, on Alaskan native Matthew Rae, a 17-year-old Maniilaq High School student in order to medically clear him to play sports in Kotzebue, Alaska. The medical service is part of Operation Arctic Care 2010. Colonel Strobel is the chief of aero medical services for the 134th Medical Group, at McGhee Tyson Air National Guard Base, Tenn. (U.S. Air Force photo/Technical Sgt. Melissa E. Chatham)