Pedzisa mutsara unotevera: Wassmuss akanga ari mushandi womumiriri, uye mumazuva okutanga aFebruary 1915 Wassmuss navateveri vashomanene vakafamba nechikepe chomumvura chomurwizi chinonzi SS "Pioneer" vachidzika norwizi rwaTigris kuenda kunzvimbo inenge makiromita 65 pasi peKut al Amara muMesopotamia (taundi rinenge makiromita 160 kumaodzanyemba kwakadziva kumabvazuva kweBaghdad). "Pioneer" akanga ashumira vose vari vaviri vaTurks neRoyal Navy muhondo. Kubva ipapo boka raWassmuss rakatamira kumabvazuva muIran uko iye akavamba kushanda pabasa guru, chimwe chinhu icho vavaki vehumambo muHofisi yeZvekunze yeGermany vakanga varota nezvacho kwamakore, mugumo wokutonga kweAnglo-Russian muMiddle East. Britain yaiva nenzvimbo dzokuvanda muPersia neKuwait kuti ichengetedze zvido zvayo muIndia. Uyewo, oiri yaibva kuPersian Gulf yakatanga kuyerera ichienda kuBritain ichibva kunzvimbo itsva yokunatsa mafuta uye chiteshi chengarava kuAbadan. Kut gare gare yaiva nzvimbo yenzira
muhondo, umo mukuru mukuru weBritain Townsend neuto rake reBritain neIndia vakakombwa uye vakakundwa nevaOttoman Turks vachibatsirwa neuto reGermany.