This Letort Paper examines the relationship between U.S. military ties with foreign states and the extent to which the depth of these ties influences the level of political instability and violence in those states. Many pundits and scholars have criticized U.S. foreign policy for its reliance on military means of influence and have argued that other foreign policy tools, such as economic aid, cultural exchanges, and diplomacy can better promote American interests. Yet, few scholars have chosen to evaluate empirically whether the military relationship encourages or discourages political instability and violence in these nations. The author, Dr. James Meernik, analyzes these issues in a systematic and objective fashion and finds that the relationships between a U.S. military presence, U.S. military aid, the use of military force, and other factors are much more complex and subtle than many have believed. The Strategic Studies Institute is pleased to publish this analysis as a contribution to the debate...