From the Introduction: "The United States is a maritime nation. Our security and prosperity depend on the seas. Since the end of World War II, the United States has built, led, and advanced a rules-based international system through shared commitments with our allies and partners. Forward deployed forces of the U.S. Navy, Marine Corps, and Coast Guard--collectively known as the Naval Service--have guaranteed the security of this system. Free and open access to the world's oceans has fostered an extraordinary era of wealth and peace for many nations. That system is now at risk. 'Advantage at Sea' is a Tri-Service Maritime Strategy that focuses on China and Russia, the two most significant threats to this era of global peace and prosperity. We prioritize competition with China due to its growing economic and military strength, increasing aggressiveness, and demonstrated intent to dominate its regional waters and remake the international order in its favor. Until China chooses to act as a responsible stakeholder rather than brandish its power to further its authoritarian interests, it represents the most comprehensive threat to the United States, our allies, and all nations supporting a free and open system."
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