Vietnam’s Institute for Defence International Relations (IDIR) and United Service Institution of India (USI) interact bilaterally, with the USI visiting Vietnam in odd numbered years and the IDIR reciprocating by visiting USI in even numbered years. This interaction commenced with the visit of the first USI Delegation to IDIR from 10 to 15 May 2006. As part of this periodic interaction, a USI delegation visited Vietnam from 25 September to 27 September 2019.
