Vietnamese national flag raising ceremony at the UN’s headquarters on September20, 1977, marking the day Vietnam became an official member of the UN

A Vietnamese delegation led by Foreign Minister Nguyen Duy Trinh attends the 32nd session of the UN General Assembly in New York, September 20, 1977

A Vietnamese delegation led by Foreign Minister Nguyen Duy Trinh attends the 32nd session of the UN General Assembly in New York, September 20, 1977

Senior Lieutenant General Nguyen Chi Vinh, Deputy Defence Minister joins a group photo with soldiers of the military field hospital (Level 2, number 1, second group) before leaving for South Sudan to participate in UN peacekeeping mission

First aid rehearsal at second level, number 2 field hospital joining the UN peacekeeping mission

Vice State President Dang Thi Ngoc Thinh delivers a speech at the 32nd session of the UN Human Rights Council , Geneva, June 13, 2016

Deputy Prime Minister Vu Duc Dam and UN Under Secretary General on HIV/AIDS Michel Sidibe commit to implementing the 90-90-90 goal on ending HIV/AIDS epidemic in Vietnam

UN Secretary General Ban Ki-moon (centre) and Deputy Prime Minister and Foreign Minister Pham Binh Minh cut the ribbon to inaugurate Green One UN House in Vietnam, Hanoi, May 23, 2015

First 32 out of 63 military doctors of the first level two field hospital fly toFirst 32 out of 63 military doctors of the first level two field hospital fly to Juba (South Sudan) to undertake UN peacekeeping mission, October 2, 2018 Juba (South Sudan) to deploy UN peacekeeping mission, October 2, 2018

Officers and doctors of the first level 2 field hospital before leaving to South Sudan

Deputy Defence Minister Nguyen Chi Vinh attends a defense ministerial meeting of UN peacekeeping mission participating countries in London, September 8, 2016

Prime Minister Nguyen Tan Dung delivers a speech at the plenary session of the 21st UN Summit on Climate Change in Paris, November 30, 2015