This document summarizes information about the United Nations Security Council (UNSC): - The UNSC has 15 members, including 5 permanent members (China, France, Russia, UK, US) who have veto power, and 10 non-permanent members selected for two-year terms. - The UNSC was formed in 1945 and is the UN body tasked with maintaining international peace and security through actions like investigating disputes, recommending dispute resolution methods, and taking military action against aggressors. - There is ongoing debate around reforming the UNSC to address issues like regional representation, the veto power of the permanent members, and the categories of membership.