U.S. Air Force Senior Airman Katherine Pendergast, 99th Dental Squadron dental assistant, spreads mulch around a tree during a volunteer tree planting at Veterans Memorial Park, Aug. 2, 2012, in Boulder City, Nev. The 25-acre Veterans Memorial Park features four lighted multi-use ballfields, two beach volleyball courts, a fishing pond, a model boat pond, soccer fields, a skateboard and bike park, and acres of open green space.