U.S. Air Force Airman 1st Class Cierra Alsay-Mathews, Air Force Nuclear Weapon Center executive admin., poses with litter collected in base housing during an Earth Day cleanup on Kirtland Air Force Base, New Mexico, April 22, 2021. During the cleanup, more than 40 bags of litter were collected in the efforts to clean the areas around base housing and the elementary school. (U.S. Air Force photo by Airman 1st Class Ireland Summers)