. . . "Observer Corps" . . "1941" . . "1995" . . . "1996" . . "Royal Observer Corps" . . "Royal Observer Corps observer post" . . "Forewarned is Forearmed (Praemonitus praemunitus)" . "most unusual post" . . . "Royal Observer Corps Association" . . . "Aircraft recognitionand reporting (1925\u20131955)" . . . . "Nuclear warfareanalysis andfalloutwarning service (1955\u20131996)" . . "Royal Observer Corps bunker" . . . "(Royal) Observer Corps" . "Royal Observer Corps#Similar voluntary organisations overseas" . "Royal Observer Corps (United Kingdom)" . "File:ROC Shoulder Titles.jpg" . . "100px|Royal Observer Corps Banner" . "Glasgow Royal Observer Corps" . . "1925" . . . . . . . "HQ Royal Observer Corps" . . "150px|Royal Observer Corps Ensign" . . . "Royal Observer Corps ranks" . . . "1991: c. 10,500 personnel" . . "80px|ROC Stable Belt" . "Observer Captain" . . . "No 17 Group Royal Observer Corps North Wales" . "''Royal Obs. Corps''" . . "Royal Observer Corps Association (22 Group Chapter)" . "No 16 Group Royal Observer Corps Shrewsbury" . . "Royal Observer Corps" . . . "ROC" . "Royal Observer Corps (UK)" . . "No 17 Group HQ Royal Observer Corps" .