However, a report compiled by the Center for Arms Control and Non-Proliferation and the Economists Allied for Arms Reduction finds that the likely cumulative costs of a “layered” missile defence system would be between $800 billion and $1.2 trillion.
Toutefois, selon un rapport rédigé par le Center for Arms Control and Non-Proliferation et l'Economists Allied for Arms Reduction, les coûts cumulatifs d'un système de défense antimissile à plusieurs niveaux seraient entre 800 milliards et 1,2 billion de dollars.