 Nyorera kupfuurira kweiyi ndima - Akasimudzirwa mukuru musi wa30 Gunyana 1987, Cook akagadzwa kuve Nhengo yeOrder yeBritish Empire muna Kubvumbi 1988 mukucherechedza kumwe kushanda kwakatanhamara muNorth Ireland. Akatamiswa kubva kuStaffordshire Regiment kuenda kuDevonshire neDorset Regiment musi wa4 Gunyana 1990. Cook akasimudzirwa kuva lieutenant colonel musi wa 30 Chikumi 1994, uye akakwidziridzwa kuva Officer weOrder yeBritish Empire muna 1995 nekuda kwemabasa ake muNorthern Ireland pakati pa 1 Gumiguru 1994 na 31 Kurume 1995. Akazotora chikamu muNATO mashandiro muBosnia neHerzegovinamuna 1995 uye akapiwa Mubayiro waMambokadzi nokuda kweBasa Rinokosha. Akakwidziridzwa kuva colonel musi wa 30 June 1998 uye brigadier musi wa 31 December 1999 ane mukuru kubva musi wa 30 June, Cook akatungamira 20th Armoured Infantry Brigade kubva muna 1999 kusvika muna 2001. Akasiya basa muBritish Army musi wa1 Chikumi 2004. 