Full force Knob park cleanup final
Airman 1st Class Manuel Gurrion (left), and Senior Airman James Davis and Airman 1st Class Devyn Ransom, 509th Maintenance Squadron aerospace ground equipment maintainers, prepare to pick up trash at Knob Noster State Park, Mo., April 20, 2013. Volunteers worked for more than four hours to cover as much of the park as they could during the cleanup. (U.S. Air Force photo by Airman 1st Class Bryan Crane/Released)