Tech. Sgt. David Stai, 379th Expeditionary Aircraft Maintenance Squadron section chief from Portland, Oregon, throws a trash bag into a dumpster during an Operation Community clean-up event at Al Udeid Air Base, Qatar Dec. 1. More than 70 volunteers took part in the event collecting 130 bags of trash in one hour. (U.S. Air Force photo by Tech. Sgt. James Hodgman/Released)