Lt. Col. James Clark, 931st Aerospace Medicine Flight
Lt. Col. (Dr.) James Clark examines the teeth of an Airman during the 931st Air Refueling Group's drill weekend in February. Colonel Clark is a dentist assigned to the 931st Aerospace Medicine Flight. He and his flight commander, Lt. Col. Cheryl Hooper, volunteered for Operation Arctic Care, a humanitarian aid mission in Alaska. The 931st is an Air Force Reserve unit at McConnell Air Force Base, Kan. (U.S. Air Force photo/Tech. Sgt. Jason Schaap)