US Defense Policy for the Western Hemisphere: New Wine in Old Bottles, Old Wine in New Bottles, or Something CompletelyDifferent?

THE modern US defense role in the Western Hemisphere is framed by the terms of the 1947 Rio Treaty, the 1948 Charter of the Organization of America States (OAS), and subsequent bilateral and multilateral protocols like that creating the 1982 Regional Security System (RSS) in the Eastern Caribbean. As components of a collective security system that was explicitly anti-communist in design and intention, the Rio Treaty and its successor documents were established to combat threats posed either by direct aggression on the part of the Soviet Union and/or of Soviet-sponsored, Marxist-Leninist infiltration in the region. These represented the mainstay of the US-Latin American strategic alliance for over 40 years. Most importantly, the orientation of the Inter-American Defense System (IADS) fostered the notion that, within the embrace of the US strategic nuclear and conventional umbrella, military threats to the Western Hemisphere would originate