Whakaotihia te rerenga e whai ake nei: I te tau 1879, i whakawhiwhia a Pirie ki te 1st Dragoon Guards hei tuarua tuarua, engari i tukuna ki te 7th Dragoon Guards i muri tata mai ka noho ia ki Aldershot me Norwich. I te tau 1881 i whakatairangahia ia hei Lieutenant, a, i whakawhitihia ki te 4th Dragoons i te tau i muri mai. I tū ia ki Ihipa i te wā o te
Pakanga Anglo-Ehipia o Hōngongoi-Hepeti 1882, e mahi ana hei Aide de Camp taapiri ki a Sir Gerald Graham. Na reira i whakamoemitihia ia i roto i nga karere, ka whakawhiwhia ki te Tohu Ihipa, i whakawhiwhia ki a ia i te tau 1883 i te whare kingi i St James Palace, i tirohia e te Rangatira o Wales. I whakawhitihia ia ki te 1st Life Guards i muri mai i taua tau.