In 1976, Prabowo served in the Indonesian National Army Special Force "Kopassus" and was assigned as the commander of Group 1 Komando Pasukan Sandhi Yudha (Kopassandha), which was one of the Indonesian Army's Nanggala commando units in East Timor, the former Portuguese territory that Indonesia had invaded the previous year. Prabowo, then 26 years old, was the youngest Nanggala commander. Prabowo led the mission to capture the vice president of Fretilin, who was the first Prime Minister of East Timor, Nicolau dos Reis Lobato. Guiding Prabowo was Antonio Lobato – Nicolau's younger brother. On 31 December 1978, Prabowo's company found and fatally shot Nicolau in the stomach as he was being escorted in Maubisse, fifty kilometres south of Dili.