Markii uu qarxay dagaalkii koowaad ee aduunka, Patey wuxuu hogaaminayay ciidamada bada ee Australia oo qeyb ka ahaa ciidamada New Zealand Samoa Expeditionary Force
Samoa Jarmalka iyo Ciidanka Badda iyo Milatariga Australia ee qabsaday Jarmalka New Guinea. Waxa uu la safray HMAS "Australia" si uu ugu biiro 2aad Ciidanka Dagaalka ee Rosyth, Scotland iyo 8 Febraayo 1915, "Australia" waxay noqotay calanka ciidanka. Patey waxaa loo magacaabay Taliyaha Guud, Waqooyiga Ameerika iyo West Indies Station laga bilaabo Maarso 1915.