Kaiser Wilhelm nke Abụọ nyere iwu na ọ bụrụ na agha, Goeben na Breslau kwesịrị ma na-eduzi mwakpo na ọdịda anyanwụ Mediterranean iji gbochie nloghachi nke ndị agha France si North Africa na Europe, ma ọ bụ mebie n'ime Atlantic ma gbalịa ịlaghachi na mmiri German, na uche nke onye isi ndị agha ahụ. Na 3 August 1914, ụgbọ mmiri abụọ ahụ na-aga Algeria mgbe Souchon natara okwu banyere nkwupụta agha megide France. Goeben gbara Philippeville (ugbu a Skikda, Algeria) ihe dị ka nkeji 10 n'isi ụtụtụ na 3 August mgbe Breslau gbara Bône (ugbu a Anna Hipphetba, na saịtị nke obodo ochie nke Hippo) dịka iwu Kaiser si dị. Ndị Admirals Alfred von vonzpitz na Hugo von Pohlben nyere iwu ka Soueben kwụsị Souchon ma nye ya ntụziaka ka ọ gaa Constantinople na-aga n'ihu na Constantinople, ma ọ bụ ka ọ banye n'Atlantik ma nwaa ịlaghachi na mmiri mmiri German, na-aga n'ọdụ ụgbọ mmiri nke Mediterranean.
ịkwọ ụgbọ mmiri gaa Constantinople