The core function of the Defense Reform Act (DRA) is to reorganize and streamline the Department of Defense (DoD) to improve efficiency, effectiveness, and accountability. Some key aspects include:

• Reorganization of the DoD: The DRA aims to optimize the structure and management of the DoD.
• Improving Efficiency and Effectiveness: It seeks to enhance the department's ability to carry out its mission.
• Promoting Accountability: The DRA strives to ensure that the DoD is responsible for its actions and use of resources.

For more details, you can refer to:

• Goldwater-Nichols Department of Defense Reorganization Act of 1986