Sunny, a 325th Security Forces Squadron military working dog, and his handler, Staff Sgt. Jason Vogt, run through an obstacle course used for cardio training at Tyndall Air Force Base, Florida, March 3, 2020. Cardio workouts and training techniques are part of the daily routine for MWD duos. This photo was taken while doing a demonstration for K-9 Veterans Day. (U.S. Air Force photo by Staff Sgt. Magen M. Reeves)