160421-N-AN781-063 BETHESDA, Md. (April 21, 2016) Individuals from Naval Support Activity Bethesda (NSAB) planted a tree during a ceremony at the USO on base celebrating Earth Week. NSAB held multiple events recognizing Earth Week and it's importance throughout the week of April 18-22. (U.S. Navy photo by Mass Communication Specialist Seaman William Phillips/Released)