That the Senate— (1) reaffirms the enduring commitment of the United States to NATO’s collective defense, enshrined in Article 5 of the North Atlantic Treaty, done at Washington April 4, 1949 (commonly known as the Washington Treaty ); (2) emphasizes the need for all NATO member states to be prepared to meet their respective obligations under Article 5 of the Washington Treaty; (3) pledges its support for all appropriate measures collectively taken to deter and defend against, if necessary, Russian aggression against the territory of any NATO member state, including the explicit aim of the leaders of the Russian Federation to fracture the unity between NATO member states; (4) emphasizes its commitment to a North Atlantic alliance based on shared values, including the rule of law, to prevent internal forces from eroding NATO’s foundation; (5) encourages all NATO member states to clearly commit to further enlargement of the alliance, including extending invitations to any aspirant country which has met the conditions required to join NATO; and (6) urges leaders who will be meeting at the 2018 NATO summit in Brussels, Belgium to ensure that NATO— (A) meets urgent security threats; (B) continues to transform to counter emerging and evolving challenges, including hybrid warfare, terrorism, cyberattacks, and renewed challenges to sea lines of communication between North America and Europe; and (C) adopts a rapid reinforcement plan that— (i) expedites political decision making; (ii) reinvigorates the NATO command structure; (iii) streamlines the capacity to mobilize forces across national borders; and (iv) improves joint readiness goals.