 Kọkọ parí gbólóhùn yìí: Lọdún 1990, wọn gbé e gorí oyè ọgágun, ó sì di ọgá àwọn ọmọ ogun ZNA. Ni arin si opin awọn ọdun 1990 o kopa lọwọ ninu awọn : Democratic Republic of Congo mission, ninu eyi ti o ti mu awọn aṣeyọri aṣeyọri counter insurgency. Rugeje gboye ni Ile-ẹkọ giga ti Lancaster pẹlu mejeeji Master of Defence  Strategic Studies degree, ati Master of Laws degree. Ogbeni Rugeje tun ni iwe-ẹkọ Master of Business Administration lati Ile-ẹkọ giga Harvard. 