[From the Introduction]. This paper is concerned with the future role of American military power in Europe. It first looks at the present security role, which revolves around the American commitment to NATO. It describes and explains that role in terms of American and European interests in American military commitments to NATO and of American leadership in NATO. Based on these assessments, and assuming that there will remain on both sides of the Atlantic an interest in an American military presence in Europe, it explores possible alternative ways the United States could maintain a military presence in Europe