An U.S. Air Force Airman picks up trash during the 27th annual “Clean the Bay Day” at Langley Air Force Base, Va., June 6, 2015. Since 1989, “Clean the Bay Day” has engaged approximately 140,000 volunteers who have removed more than 6.2 million pounds of debris from more than 6,500 miles of shoreline. (U.S. Air Force photo by Senior Airman Breonna Veal/ Released)