 Ramba uchinyora ndima iyi - Apo Emden akatumira boka rokumhara kumhenderekedzo yegungwa kuti riparadze nhepfenyuro paPort Refuge muKeeling Islands pana November 8, 1914, iye pakupedzisira akakomberedzwa neAustralia light cruiser HMAS Sydney uye akakundwa muHondo yeCocosnezvombo zvinorema zvengarava yeAustralia. Müller, nevamwe vashandi vake vakanga vasara, vakasungwa ndokuendeswa kuFort Verdala, Malta. Chikwata chevashandi vake chakanga chaenda kumhenderekedzo yegungwa chakadzivisa kubatwa ndokutizira kuGermany pasi pehutungamiri hwemuchinda wokutanga weEmden, Hellmuth von Mücke. Musi waOctober 8, 1916, mazuva maviri pashure pokunge vaGermany vatangazve hondo isina kurambidzwa yepasi pegungwa, Müller akaparadzaniswa nevamwe vasungwa veEmden ndokuendeswa kuEngland, kwaakaiswa mujeri mumusasa wevasungwa vehondo wevakuru veGermany waiva paMidlands Agricultural and Dairy College yava kunzi Sutton Bonington Campus yeYunivhesiti yeNottingham. Muna 1917 akatungamirira kutiza kwevasungwa 21 nomumugwagwa, asi akabatwazve. Mamiriro okunze eEngland haana kumubatsira kuti arware marariya, uye pakupedzisira akaendeswa kuNetherlands kunorapwa, sechikamu chokutsinhana vasungwa. Muna October 1918, mwedzi mumwe chete hondo isati yapera, akadzoserwa kuGermany. 