Homeland Security Strategy Act of 2005 - Requires the President to annually transmit to Congress a comprehensive report on the homeland security strategy of the United States (the strategy), which shall include a description and discussion of: (1) worldwide interests, goals, and objectives of the United States that are vital to national homeland security; (2) foreign policy, worldwide commitments, and national defense, economic, diplomatic, and information capabilities of the United States necessary to deter aggression and implement the strategy; (3) proposed short-term and long-term uses of such capabilities and other elements of U.S. national power to protect or promote the interests of, and achieve the goals and objectives vital to, national homeland security; and (4) the adequacy of U.S. capabilities to carry out the strategy.
Directs the Secretary of Homeland Security, in consultation with the Director of National Intelligence, to comprehensively examine the strategy, force structure, resources, threat assessment, infrastructure, budget plan, and other elements of the U.S. homeland security program and policies every four years in order to determine and express the strategy for the next 20 years.
Establishes the National Commission on Quadrennial Homeland Security Reviews to: (1) make recommendations relative to the Secretary's examination; and (2) submit required reports to the President and Congress.
Requires the Commission to submit its final report no later than June 30, 2006.