Exercise 'Spearhead' a study of combined operations in the light of war experience, with particular emphasis on the effects of the progress of science on future warfare, is now in progress at the Camberley Staff College, where Field Marshal Viscount Montgomery of Alamein, Chief of the Imperial Gen staff, is conducting the second of his series of conferences. Picture shows: Vice Adml Harcourt (left) and Major General Poole (South Africa).