U.S. Air Force Airman Jeffrey Waldron, 35th Civil Engineer Squadron pavement and construction equipment apprentice, prepares to use a chainsaw at Draughon Range, Japan, Sept. 29, 2015. The pavement and construction equipment Airmen, better known as the "Dirt Boys," worked on approximately 81,000 square feet of land. (U.S. Air Force Tech. Sgt. April Quintanilla/Released)