Formerly part of the 3RAR , Cairns Company fought in many wars. They fought in the Korean War,Indonesia-Malaysia Conflict, Vietnam War, Gulf War, War in Afghanistan, Iraq War, Indian-Australian War, and World War III. After the Third Great War, the company became a reserve unit. They appear in Call of Duty: Indian-Australian War, Call of Duty: New Orders and Call of Duty: The Warriors 2.