Charles Toplikar Jr., a Boy Scouts of America Troop 31 boy scout, removes weeds from an overgrown portion of the Air Combat Command running trail May 12. Troop 31 not only cleaned up, but also placed signs to mark the 6.8-mile trail that runs the circumference of Langley Air Force Base, Va., For more avid runners, Toplikar placed a turnaround point at the 4.25 mile marker. (U.S. Air Force photo by Airman 1st Class Austin Harvill/Released)