a critical role in safeguarding the freedom of the seas for all lawful nations, supporting international law, and ensuring the continued safe passage and promotion of global commerce and trade. (b) Declaration of policy It is the policy of the United States to fly, sail, and operate throughout the oceans, seas, and airspace of the world wherever international law allows. (c) Implementation of policy In furtherance of the policy set forth in subsection (b), the Secretary of Defense shall— (1) plan and execute a robust series of routine and regular naval presence missions and freedom of navigation operations (FONOPs) throughout the world, including for critical transportation corridors and key routes for global commerce