Multi-purpose canines are the Cairos of the military. They’re used by Special Operations personnel. MPC is both a category and a job description. In addition to doing everything PEDDs can do, these super-high-drive dogs can be used in parachute or rappel operations. They sometimes wear waterproof tactical vests, night-vision or infrared cameras so handlers can see what they’re seeing as they work from a distance, and other highly specialized canine equipment. They’re extremely resilient, environmentally sound, and almost unflappable. As Arod says, “They can do all this and jump through a ring of fire and tear you to pieces if they need to.”
The origin of the domestic dog is not clear. It is known that the dog was the first domesticated species.   The domestic dog is a member of genus Canis (canines) that forms part of the wolf-like canids .     The closest living relative of the dog is the gray wolf and there is no evidence of any other canine contributing to its genetic lineage.     The dog and the extant gray wolf form two sister clades ,    with modern wolves not closely related to the wolves that were first domesticated.   The archaeological record shows the first undisputed dog remains buried beside humans 14,700 years ago,  with disputed remains occurring 36,000 years ago.  These dates imply that the earliest dogs arose in the time of human hunter-gatherers and not agriculturists .