United Nations System peace and security. Its powers, outlined in the United Nations Charter, include the establishment of peacekeeping operations, the establishment of international sanctions, and the authorization of military action. Its powers are exercised through United Nations Security Council resolutions. The Security Council held its first session on 17 January 1946 at Church House, Westminster, London. Since its first meeting, the Council, which exists in continuous session, has travelled widely, holding meetings in many cities, such as Paris and Addis Ababa, as well as at its current permanent home at the United Nations Headquarters in New York City. There are 15 members
United Nations Office for Project Services United Nations Office for Project Services The United Nations Office for Project Services (UNOPS) is an operational arm of the United Nations, dedicated to implementing projects for the United Nations System, international financial institutions, governments and other partners around the world. The organization's global headquarters is located on the UN City campus in Copenhagen, Denmark. UNOPS implements more than $1 billion worth of peace and security, humanitarian and development projects for its partners every year, operating in more than 80 countries. Its activities have ranged from managing the construction of schools in Afghanistan, to building shelters in Haiti, to procuring