Kammala jumla mai zuwa: A cikin 1879, Pirie ya sami kwamiti zuwa 1st Dragoon Guards a matsayin mataimakin laftana, amma an canza shi zuwa 7th Dragoon Guards jim kaɗan bayan haka kuma ya kwashe lokaci yana zaune a Aldershot da Norwich. A shekara ta 1881 an daukaka shi zuwa Laftanar kuma an tura shi zuwa 4th Dragoons shekara guda daga baya. Ya yi aiki a Masar a lokacin
Yaƙin Anglo-Masar na Yuli-Satumba 1882, yana aiki a matsayin ƙarin Aide de Camp ga Sir Gerald Graham. A sakamakon haka an yaba masa a cikin sakonni, kuma an ba shi lambar yabo ta Masar, wanda aka gabatar masa a 1883 a wani gidan sarauta a fadar St James, wanda Yariman Wales ya kula da shi. An canza shi zuwa 1st Life Guards daga baya a wannan shekarar.