Throughout the 1980s, Gusmão led both Falintil and the CRRN, gradually distancing himself from the Fretilin party. He began efforts to make Falintil
non-partisan and transform it into the armed wing of a unified resistance movement. On 12 May 1983 Gusmão proclaimed the convergence of all nationalists in their struggle against Indonesian occupation, and by April 1984, Gusmão had proclaimed the ideological independence of Fretilin from the overall resistance movement and began to re-structure the
armed resistance movement. In the first week of August 1983, Falintil fighters attacked an
Indonesian Army engineering unit, resulting in the deaths of 16 soldiers. On 31 August 1983, the Indonesian Army began military operations around
Viqueque, about from
Dili. A spokesman for the
Indonesian Embassy in Canberra said about 3,200 troops in four
battalions, including special forces, were deployed with tanks and troop transport aircraft. On 5 May 1985 Gusmão sent the Fretilin central committee, operating in exile, a message informing them of the structure of the CRRN and assuming the title of
Commander-in-Chief of Falintil. A significant step in the unification of the resistance movement occurred in March 1986 when Fretilin and UDT agreed to establish the "nationalist convergence". Meanwhile, the Falintil
guerrilla force continued to launch attacks against Indonesian soldiers. In June 1986, diplomats in
Jakarta acknowledged losing between 20 and 35 soldiers in a Falintil ambush. On 20 June 1988, the
National Resistance of East Timorese Students (, RENETIL) was created in Indonesia, reporting directly to Falintil and Gusmão. On 31 December 1988, Gusmão officially announced that Falintil was now the non-partisan armed resistance wing of the unified resistance movement, which was to be known as the
National Council of Maubere Resistance (, CNRM). Between 23 and 28 May 1990, the CNRM held an extraordinary meeting to restructure the resistance movement. During the conference Gusmão officially resigned from Fretilin while remaining Commander-in-Chief of Falintil and President of the CNRM. This meeting also saw the formation of the Clandestine Front (), which came about from the recognition that Falintil, the armed resistance, had been significantly weakened by many years of guerrilla activity against the Indonesian military. The formation of the Clandestine Front was part of a strategy to organize the population against the
occupying forces. These events led to an upsurge in activity against the resistance movement by the occupiers, which led many resistance leaders to flee to the mountains or overseas and led to the arrest of Gusmão on 20 November 1992.
Ma'Huno Bulerek Karathayano, a member of Fretilin's central committee, became the leader of the resistance only to be arrested himself on 5 April 1993.
Nino Konis Santana replaced Karathayano as leader on 25 April 1993, and by September, all factions of the resistance had accepted Santana as the movement's leader.
Taur Matan Ruak was appointed Commander of Falintil. Under Santana's leadership, the restructuring started by Gusmão was further reinforced under the CNRM umbrella with Santana as leader of the Executive Council of the "Struggle", Ruak in charge of Falintil, and Keri Laran Sabalae (i.e. Pedro Nunes) taking charge of the Clandestine Front. Throughout the 1990s, the occupying Indonesian forces stepped up their actions against the resistance, and factional troubles between Fretilin and other resistance organizations plagued the CNRM, with Fretilin members signing a document against the leadership of Santana. Sabalae was captured near
Gleno by Indonesia on 1 June 1995. Gusmão remained the leader of the CNRM and Commander-in-Chief of Falintil despite being incarcerated in an Indonesian prison. On 31 May 1997, the East Timorese guerrillas killed 16 policemen and 1 soldier in an ambush near
Quelicai, southeast of
Baucau. In 1998, Santana died in an accident, and the Falintil commander, Ruak, was elected as leader of the "Struggle", while also remaining operational commander of Falintil. In April 1998 during the National Convention of East Timorese Living Abroad being held in
Portugal, the National Council of Timorese Resistance (, CNRT) was formed, replacing the CNRM and reinforcing the previous attempts to unify all the factions of the resistance struggle against Indonesia. == Towards independence ==