The phrase "war hounds" refers to dogs that have been trained for military purposes in various cultures throughout history. However, there are many other terms that can be used to describe these specially trained canines. For example, they may be called combat dogs, attack dogs, or even K9 soldiers. In some cases, they may also be referred to as military working dogs, service dogs, or tactical dogs. Each of these terms highlights the dog's role in supporting military operations, whether through attack and defense or through other means such as search and rescue. Regardless of the term used, war hounds have proved to be valuable aids to military forces around the world.