South Korean president Moon Jae-in (fourth from left) and members of BTS -- (from left) V, J-Hope, Jin, RM, Suga, Jimin and Jungkook -- pose for picture during certificate presentation ceremony for special envoy appointment at Cheong Wa Dae on Sept. 14, 2021. (Yonhap)

In a ceremony in Seoul on Tuesday, South Korean President Moon Jae-in conferred the title upon the newly appointed celebrity diplomats, handing them diplomatic passports and their first assignment: To accompany him to the 76th session of the United Nations General Assembly in New York, which opened Tuesday.

The group is set to attend a meeting on the UN Sustainable Development Goals, adopted by all UN member states in 2015.

In 2018, BTS leader RM spoke at the launch of UNICEF's Generation Unlimited under the framework of the 73rd UN General Assembly.