 All three nations promulgated the processed information to ships and commands within their zone of control.The UK recorded that formal integration of the three nation's NI staffs was never necessary, because the Anglo-American organization worked as one against the U-boat threat.Throughout the war, foreign radio messages were being intercepted by Canadian Army, Navy (RCN), Air Force (RCAF) and Department of Transport (DOT) Radio Division stations, located in places such as Forest (and later Winnipeg), Manitoba and, Point Grey, British Columbia.