What are the influences on Canadians' preferences about defence spending and the use of military force? Despite more than a decade of heightened defence spending and active fighting in the War on Terror in Afghanistan, the longest combat operation in the history of the Canadian Forces, we do not know enough about how Canadians' sociodemographic characteristics and attitudes may influence their views about taking part in overseas combat operations and funding the institution charged with carrying out these dangerous activities. We find this particularly surprising since the war in Afghanistan has attracted considerable political attention, cost the Canadian taxpayer billions of dollars and, by turns, united and divided the public.While much has been written on Canada's defence spending and the country's role in Afghanistan, public attitudes towards these matters have indeed been understudied. By testing a range of hypotheses derived from literature on attitudes about defence affairs in the United States, the UK and Israel, the aim of this paper is to assess if Canadian public opinion toward defence spending and participation in combat operations accords