Core Points - The "Iron Dome" program is seen as a potential risk for escalating militarization and arms races in outer space, undermining international security and arms control systems [1][5] - Canada is in discussions with the U.S. regarding participation in the "Iron Dome" missile defense system, with Prime Minister Trudeau emphasizing Canada's independent status [3][4] - The "Iron Dome" system is a multi-layered defense initiative with an estimated cost of $175 billion, aiming to protect the U.S. from missile attacks [4] Group 1 - The U.S. President Trump stated that Canada would need to pay $61 billion to join the "Iron Dome" system unless it becomes the 51st state, which would exempt it from costs [3][4] - Recent polls indicate that approximately 80% of Canadians strongly oppose becoming a U.S. state, reflecting a strong sentiment for maintaining sovereignty [3] - The "Iron Dome" program requires Canadian airspace approval for U.S. military radar operations, highlighting the strategic importance of Canada in this defense initiative [3] Group 2 - Experts express skepticism about the feasibility of the "Iron Dome" program, suggesting that it may take years to become operational and could face significant budgetary and technical challenges [5] - The Chinese government has criticized the "Iron Dome" initiative, claiming it aims to create an unrestricted global missile defense system that could escalate military tensions and violate international treaties [5][6] - The Chinese Foreign Ministry urged the U.S. to abandon the development of global missile defense systems to enhance strategic trust among major powers and maintain global stability [6]