Ka cika wannan magana: Da yaƙin duniya na ɗaya ya ɓarke, aka naɗa Keeling a matsayin wani soja a rundunar sojojin Indiya. Ya yi aiki a cikin Mesopotamian Campaign, kuma ya kasance a lokacin mika wuya na
Kashe ta Birtaniya a hannun sojojin Ottoman. Bayan mika wuya, ya yi aiki a matsayin fursunonin yaki a Turkiyya har zuwa lokacin da ya tsere, wanda daga bisani ya sauka a Bolshevik Rasha. Bayan dawowarsa Ingila, ya yi aiki a matsayin shugaban reshe na musamman (wanda ke da alhakin Turkiyya da Bulgaria) a cikin Babban Jami'in Burtaniya don ba da damar jami'ai su tsere. An ba shi lambar yabo ta Soja a watan Oktoba 1918. Ya wallafa labarinsa a matsayin "Adventures in Turkey and Russia" a 1924.