The unit operates primarily in “No Man's Land', an area that comprises the destroyed cities of ODIN's kinetic bombardment, with the mission to patrol the wall that separates No Man's Land from U.S. This unit consists of him, his caretaker David “Hesh” Walker, and Logan Walker. Riley is a German Shepherd, a military working dog, and a member of a US Special Operations unit. 9.2 Call of Duty: Modern Warfare & Warzone.5 Call of Duty: Modern Warfare & Warzone.