Gabriel Antor, left, and Nickolas Seeger, right, wait anxiously for a tree to be planted at the Langley Air Force Base, Va., child development center, April 25, 2012. The tree, which could live hundreds of years if properly cared for, was planted in honor of National Arbor Day. (U.S. Air Force photo by Senior Airman Jarad A. Denton/Released)