U.S. Air Force Master Sgt. Jefferey Saunders, 633rd Mission Support Group environmental manager, drills a hole into a rain barrel for overflow drainage during a rain harvesting workshop at Joint Base Langley-Eustis, Va., April 17, 2017. The 633rd Civil Engineer Squadron environmental flight conducted the rain harvesting workshop to show people how to utilize rain barrels, preventing storm water pollution. (U.S. Air Force photo/Airman 1st Class Anthony Nin Leclerec)