Operation Nanook (OP NANOOK; French: Opération Nanook) is an annual sovereignty operation and manoeuvre warfare exercise conducted by the Canadian Armed Forces in the Arctic. Sovereignty patrols in the Canadian Arctic Archipelago and northern Canada are conducted by the Canadian Rangers, Canadian Coast Guard in tandem with the Royal Canadian Mounted Police. The exercise portion is intended to train the different elements of the Canadian Armed Forces (Canadian Army, Royal Canadian Air Force and Royal Canadian Navy) to operate in the Arctic environment.