Staff Sgt. Jason Jones, 9th Civil Engineer Squadron pavements and heavy equipment technician, sharpens his chainsaw blade Nov. 28, 2018, at Beale Air Force Base, Calif. While cutting trees the Airmen wear a variety of safety equipment including hard hats, ear protection, steel toe boots, gloves, and chaps. (U.S. Air Force photo by Airman 1st Class Tristan D. Viglianco)