BUCKLEY AIR FORCE BASE, Colo. -- Claudia Sandifur, Braden Stauffer, Anatolia Russo and Aidon Bender, from the child development center, help plant a tree June 6 to celebrate Buckley's Arbor Day. The National Arbor Day Foundation awarded Buckley its third Tree City U.S.A. Award during the ceremony. Buckley qualified for the award for having a tree board and a tree ordinance, spending at least $2 for every person at Buckley on trees and maintenance and having an Arbor Day observance and proclamation.