U.S. Air Force Senior Airman Pierre Hall and Airman 1st Class Hector Martinez, who are both assigned to the 18th Civil Engineer Squadron as structural apprentices, test the hydraulic auger drill Aug. 20, 2020, at Kadena Air Base, Japan. The 18th CES is responsible for maintaining facilities and runways as well as performing repairs and construction projects both inside and outside. (U.S. Air Force photo by Staff Sgt. Benjamin Sutton)