 Zambellas akashanda semurongi wekambani panguva ye1997-1998 Strategic Defense Review asati adzokera kunoshanda muna 1999 semutungamiriri wefrigate uye achiendeswa sechikamu cheOperation Palliser kubva kuSierra Leonenokuda kwaakagamuchira Distinguished Service Cross muna 2001. Muna 2001 akatora Higher Command uye Staff Course paShrivenham asati ava Deputy Flag Officer Sea Training, ane basa rekudzidzisa Royal Navy uye ngarava dzehondo dzekunze uye dzinobatsira. 