Military Times Early Bird Brief Editor Diana Stancy Correll, in a post on their website, explores a variety of issues surrounding the use of service dogs as an option for post-traumatic stress disorder treatment. Her article, which you can access in full here, delves into VA studies on the efficacy of this option, the differences between service dogs and emotional support dogs, and legislation designed to promote the use of the service dog option, She also provides a fairly detailed analysis of the process of acquiring a service dog.