Tech. Sgt. James Aguilar, 11th Comptroller Squadron customer service technician and Senior Airman Josh Ulrich, 11th CPTS payroll technician, work together to dispose of litter at Joint Base Andrews, Md., April 22, 2016. The Airmen assisted with the base-wide clean up in commemoration of Earth Day. (U.S. Air Force photo by Airman Gabrielle Spalding/Released)