The failure experienced at Gallipoli has become a byword for the misapplication of amphibious operations. In truth, the British experience of joint amphibious operations during the World War was always more than Gallipoli. If success elsewhere seemed elusive, too, then the underlying ability of Britain to execute such operations remains largely undiscussed. The monograph takes the discussion of amphibious operations beyond caricature by examining the genesis and execution of three operations: Tanga, German East Africa; Mesopotamia; and the Dardanelles-Gallipoli campaign and measures the results against the experience and development of amphibious warfare in the immediate prewar period. In short, the work answers the question of the state of British amphibious warfare on the eve of the First World War and the reasons for the failures—and, yes, the successes experienced. British East Africa and Zanzibar stood exposed in 1914, and while doing nothing possessed a certain logic, denying