I believe that we should take every opportunity to challenge the assumption that our European allies are doing us a favor whenever they provide us with the necessary facilities from which to defend their own continent.

Chester Bowles, "The Azores," White House Memorandum to President John F. Kennedy, Washington, DC, June 4, 1962. Quoted in Alexander Cooley and Hendrik Spruyt, Contracting States: Sovereign Transfers in International Relations, Princeton University Press (2009), pg. 100.