U.S. Air Force Staff Sgt. Ronald Owen and Senior Airman Randall Schultz, 633rd Civil Engineer Squadron water and fuel systems maintenance technicians, look into a drain line before clearing it at Langley Air Force Base, Va., Nov. 6, 2015. Owen and Schultz utilized a K-50 drain cleaning snake to clear the drain line of any possible or unseen blockage. (U.S. Air Force photo by Staff Sgt. John D. Strong II/Released)