Camp Pendleton fitness centers’ “Gym Rat” program gives gym participants a greater incentive to stay physically fit. The Gym Rat program is open to all active-duty and retired military and their families. The program uses a points system, where partakers can earn points toward the coveted title for participating in various physical training activities. - Camp Pendleton fitness centers’ “Gym Rat” program gives gym participants a greater incentive to stay physically fit. The Gym Rat program is open to all active-duty and retired military and their families. The program uses a points system, where partakers can earn points toward the coveted title for participating in various physical training activities.