U.S. Air Force Senior Airman Ashley King, 633rd Civil Engineer Squadron pest management technician, crawls along a pipe during a Prime Base Engineer Emergency Force training at Joint Base Langley-Eustis, Va., April 20, 2017. The five teams that participated in the training had to assess the best way to accomplish the course, which involved each member having to cross a moat within a specific amount of time. (U.S. Air Force photo/Airman 1st Class Kaylee Dubois)