Newest member of 99th SFS, Ivan Published July 8, 2020 By Airman 1st Class Christopher H. Stolze 57th Wing Public Affairs NELLIS AIR FORCE BASE, Nev. -- Ivan, 99th Security Forces Squadron Military Working Dog, completes an obstacle during training at Nellis Air Force Base, Nevada, July 2, 2020. Ivan and his handler train daily on obstacle courses to maintain mission readiness for emergency situations. (U.S. Air Force photo by Airman 1st Class Christopher H. Stolze)