NATO: Response to the Crisis in Ukraine and Security Concerns in Central and Eastern Europe [April 16, 2014] [open pdf - 401KB]
"Russia's recent military incursions into Ukraine and its annexation of Crimea have caused observers and policy makers on both sides of the Atlantic, including Members of Congress, to reassess the security situation in Europe and the role of the United States and the North Atlantic Treaty Organization (NATO) in upholding European security. The security concerns of NATO's Central and Eastern European member states and non-NATO member states such as Moldova and Ukraine are of particular concern. NATO's member states have strongly condemned Russian actions in Ukraine and have taken steps aimed both at reassuring allies and partners in Central and Eastern Europe and at deterring further Russian aggression. These include demonstrations of support for Ukraine and its territorial integrity; actions to demonstrate the alliance's commitment to the defense of its Central and Eastern European member states; and measures aimed at rebuking Russia. NATO member states have said they will continue to conduct previously planned military exercises in Ukraine and elsewhere in the region. […] This report addresses the NATO and U.S. military response to the crisis in Ukraine. It does not discuss political, economic, or energy policy responses. For information on these and other aspects of the crisis response, see CRS [Congressional Research Service] Report RL33460, 'Ukraine: Current Issues and U.S. Policy,' by Steven Woehrel."
CRS Report for Congress, R43478