Operation Trikora

Operation Trikora
Part of the West New Guinea dispute and the Cold War in Asia

Painting of the operation Trikora
Date19 December 1961 – 15 August 1962 (1961-12-19 1962-08-15)
(7 months, 3 weeks and 6 days)
Location
Result
Territorial
changes
Western New Guinea ceded to the United Nations then to Indonesia
Belligerents
 Indonesia
 Soviet Union
Commanders and leaders
  • C.J. van Westenbrugge
  • W.A. van Heuven
Strength
 Indonesia:
13,000 soldiers
7,000 paratroops
4,500 marines
 Soviet Union:
3,000 soldiers
 Netherlands:
10,000 soldiers
1,400 marines
1,000 Papuan volunteers
Casualties and losses
214 dead
1 motor torpedo boat sunk
2 motor torpedo boats damaged
9 dead

Operation Trikora (Indonesian: Operasi Trikora) was a combined SovietIndonesian military operation which aimed to seize and annex the Dutch overseas territory of New Guinea in 1961 and 1962. After negotiations, the Netherlands signed the New York Agreement with Indonesia on 15 August 1962, relinquishing control of Western New Guinea to the United Nations.