Col. E. John Teichert, 11th Wing and Joint Base Andrews commander, receives awards at a ceremony on base April 18, 2017, from Horace Henry, Maryland Department of Natural Resources representative, in honor of Earth Week and Arbor Day, for the base’s contributions to environmental services. The week also included base cleanups, seed planting, a youth art display and more. (U.S. Air Force photo by Senior Airman Mariah Haddenham)