Airman Patrick Orr, 2nd Civil Engineer Squadron pest management augmentee, mixes pesticides at Barksdale Air Force Base, La., Nov. 30, 2017. The pest management section at Barksdale has a specific room that is designated for mixing chemicals used in pesticides and herbicides. When these chemicals are mixed the Airman must be completely covered in protective clothing. This prevents the chemicals from directly coming in contact with the Airman, ensure their safety. (U.S. Air Force photo by Airman 1st Class Tessa B. Corrick)