Multinational service members conduct a Search and Rescue demonstration during the opening ceremony for ASEAN Exercise 16-3 at 14th Military Circle Airfield, Chonburi Province, Thailand, Sept. 5, 2016. AEX 16-3 is a small-scale humanitarian assistance and disaster relief exercise consisting of 18 nations and co-hosted by Thailand, Japan, Lao People’s Democratic Republic and the Russian Federation. It is the third iteration of the ASEAN Defense Ministers Meeting plus multinational exercise program in 2016. - Multinational service members conduct a Search and Rescue demonstration during the opening ceremony for ASEAN Exercise 16-3 at 14th Military Circle Airfield, Chonburi Province, Thailand, Sept. 5, 2016. AEX 16-3 is a small-scale humanitarian assistance and disaster relief exercise consisting of 18 nations and co-hosted by Thailand, Japan, Lao People’s Democratic Republic and the Russian Federation. It is the third iteration of the ASEAN Defense Ministers Meeting plus multinational exercise program in 2016.