Richard K. Betts.  “Memorandum to the President: Military Strategy and Missions.” American Military Strategy: Memos to a President, ed. Philip. D. Zelikow (New York: W.W. Norton, 2001).

“Memorandum to the President: Military Strategy and Missions.” American Military Strategy: Memos to a President, ed. Philip. D. Zelikow (New York: W.W. Norton, 2001).