Military Working Dog Hulk, a 3 – year-old German Shepherd assigned to the 628th Security Forces Squadron, completes an obstacle course Sept. 24, 2014, at Joint Base Charleston, South Carolina. The obstacle courses are designed to train and prepare the MWD for the various challenges they will face at home or deployed. MWDs are trained to conduct multiple missions and training includes obedience skills, obstacle courses and other objectives depending on the dog’s specialized skill. (U.S. Air Force photo/Senior Airman Dennis Sloan)

Staff Sgt. Angela Lowe, 628th Security Forces Squadron military working dog handler, leads MWD Hulk, a 3 – year-old German Shepherd assigned to the 628th Security Forces Squadron, through an obstacle course Sept. 24, 2014, at Joint Base Charleston. The obstacle courses are designed to train and prepare the MWD for the various challenges they will face at home or deployed. MWDs are trained to conduct multiple missions and training includes obedience skills, obstacle courses and other objectives depending on the dog’s specialized skill. (U.S. Air Force photo/Senior Airman Dennis Sloan)

Military Working Dog Hulk, a 3-year-old German Shepherd assigned to the 628th Security Forces Squadron, completes an obstacle course Sept. 24, 2014, at Joint Base Charleston, South Carolina. The obstacle courses are designed to train and prepare the MWD for the various challenges they will face at home or deployed. MWDs are trained to conduct multiple missions and training includes obedience skills, obstacle courses and other objectives depending on the dog’s specialized skill. (U.S. Air Force photo/Senior Airman Dennis Sloan)

Military Working Dog Hulk, a 3-year-old German Shepherd assigned to the 628th Security Forces Squadron, completes an obstacle course Sept. 24, 2014, at Joint Base Charleston, South Carolina. The obstacle courses are designed to train and prepare the MWD for the various challenges they will face at home or deployed. MWDs are trained to conduct multiple missions and training includes obedience skills, obstacle courses and other objectives depending on the dog’s specialized skill. (U.S. Air Force photo/Senior Airman Dennis Sloan)

Staff Sgt. Angela Lowe, 628th Security Forces Squadron military working dog handler, leads MWD Szultan, a 2-year-old German Shepherd assigned to the 628th Security Forces Squadron, through an obstacle course Sept. 24, 2014, at Joint Base Charleston, South Carolina. The obstacle courses are designed to train and prepare the MWD for the various challenges they will face at home or deployed. MWDs are trained to conduct multiple missions and training includes obedience skills, obstacle courses and other objectives depending on the dog’s specialized skill. (U.S. Air Force photo/Senior Airman Dennis Sloan)