Four Animal Rescue League dogs have graduated from the Midwest K9 Protection and Detection's narcotics detection training programs. "The dogs selected have a special skill set that includes a high ball drive, a drive to search, the confidence to go into any situation and the determination and perseverance to keep up a search for as long as it takes," the Animal Rescue League of Iowa said in a Facebook post.The four dogs have already started their new careers as K-9s with the Maryland Department of Corrections. They are joined in Maryland with seven other ARL dogs that have been trained.This is not the first time the ARL has partnered with Midwest K9 Protection and Detection. They have sent many dogs to its programs to serve law enforcement around the country. "To date, ARL dogs have removed tens of millions of dollars in cash and drugs from the street, and they've placed near the top in multiple certification competitions," the Animal Rescue League of Iowa said in a Facebook post.