Unit 1 Sustaining U.S. Global Leadership： Priorities for 21st Century Defense 1
Unit 2 Joint Operational Access and the Joint Functions 19
Unit 3 Gaining and Maintaining Access 39
Unit 4 U.S. Strategic Interests and Roles in Asia 57
Unit 5 National Security Space Strategy 77
Unit 6 Defense Language Strategy for the Armed Forces 97
Answers 120