Lt. Col. Mark Breidenbaugh, the chief entomologist assigned to the 910th Airlift Wing's 757th Airlift Squadron, explains C-130H Hercules swath characterizations to the audience during a Department of Defense aerial spray course, Jan. 8, 2019 at the Lee County Mosquito Control District facilities in Lehigh Acres, Florida. Breidenbaugh is one of five 910th entomologist whose skills help accomplish the wing’s aerial spray mission to control disease-carrying insects, pest insects and undesirable vegetation and to disperse oils spills in large bodies of water. (U.S. Air Force photo/ Senior Airman Sarah Gruber)