Multidimensional mandates have been a focal point of the UN Peacekeeping missions all these years and the four generations of these missions have their own separate dimensions. Bangladesh is currently the largest contributor of troops in the Peacekeeping missions with more than seven and a half thousand peacekeepers actively participating in the mitigation of conflicts and playing a significant role in the UN to ensure peace and stability in the world, the 4th generation operations are technologically advanced, he said, adding that these operations will increasingly involve drones, UAV, AI, etc. the UN Peacekeeping operations are evolving and they have entered the 4th generation of peacekeeping and this will create new challenges for third world countries including Bangladesh. How do the United Nations move together in the defence industry ?