Concerns about the credibility of US nuclear deterrence generated Supreme Allied Commander Europe (SACEUR) General Lauris Norstadās proposal for a NATO-controlled medium-range ballistic missile (MRBM) force. This lengthy report represented INRās assessment of āpresent and future European interest in national or multinational nuclear weapons capabilities,ā including the MRBM proposal, and the extent to which an āenhancement of NATO's nuclear roleā could ādeter national or multinational European nuclear weapons programs.ā