German Shepherds are the second most popular dog breed in the United States.  They are known for their strength, intelligence, trainability, and obedience and are often the preferred breed for working dogs.  Their intelligence along with their strength makes them great police dogs, search and rescue, and guard dogs.  They have a willingness to learn and are eager to have a purpose.The German Shepherd is a breed of medium to large-sized working dog that originated in Germany. The breed’s officially recognized name is German Shepherd Dog in the English language, sometimes abbreviated as GSD and was also formerly known as the Alsatian in Britain.