Cassidy Baugh, 13, gets ready to throw a football through a hanging tire during the School Carnival in Liberty Square on May 8, 2012, on Grand Forks Air Force Base, N.D. (U.S. Air Force photo/Tim Flack)
Twelve-year-old Ali Hitchcock sits patiently as A1C Vivienne Cassidy paints her face at the School Carnival in Liberty Square on May 8, 2012, on Grand Forks Air Force Base, N.D. (U.S. Air Force photo/Tim Flack)
Zachary Topping, 10, flips through the air during the School Carnival on May 8, 2012, on Grand Forks Air Force Base, N.D. (U.S. Air Force photo/Tim Flack)
Staff Sgt. Todd Viney holds his daughter, Cadence, as she gets ready to throw a basketball through the net during the School Fair on May 8, 2012, on Grand Forks Air Force Base, N.D.
Resident teacher Tenneil Juntunen smiles after going under the water in the dunk tank during the School Carnival on May 8, 2012, on Grand Forks Air Force Base, N.D.