Grand Forks AFB to earn Tree City USA Award Published May 15, 2012 GRAND FORKS AIR FORCE BASE, N.D. -- Come on out and help celebrate Arbor Day as the North Dakota Forest Service presents Grand Forks Air Force Base with its 19th Tree City USA Award at 3:30 p.m. on May 21. A proclamation will be read, kids from the Youth Center will help plant three trees and lemonade and cookies will be served. The celebration will take place just south of the Kiddie Campus/Child Development Center on West J Street. Contact Kristen Rundquist at 747-4774 for more information. (Courtesy of the 319th Air Base Wing Public Affairs office).