Caption:
Keeping Watch On The Skies -- Team at an observation post takes a bearing which will be phoned back to the operations room at Bedford.Members of the Royal Observer Crops , wearing Air Force blue battle dress and the badge showing a torch bearing Elizabethan "observer" watching for the Armada, they took part to-day in the largest post-war test of Britain's "enemy air-craft" warning system. During the war the Strength of the Royal Observer Corps rose to 34,000. now it is little more than 12,000 part-time volunteers composed of house-wives, clerks, secretaries and businessmen. They from a vital complement to rader in Britain's sir defences. May 09, 1948.