Goodwill in Guatemala
Staff Sgt. Crystal Herrington provides dental care for a local woman during a two-week humanitarian mission in Guatemala. Sergeant Herrington is a dental assistant for the 931st Air Refueling Group. She was part of a group of 931st medical personnel who traveled with Airmen from Travis Air Force Base, Calif., to provide care for more than 8,000 Guatemalans in late April and early May (Courtesy photo).