Kolonel E.A.H.G. Caelen is Hoofd J5 (Plannen) bij de Defensiestaf.
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ArtikelKolonel E.A.H.G. CaelenThe Great War and the Absence of the Operational Level During the Great War of 1914-1918 the operational level was virtually non-existent, meaning that there was officially no linking pin between strategy and the tactical battles of which generals hoped they might lead to strategic triumph.
