– USNI News – China and Russia’s submarine forces are flexing their prowess in the undersea domain by operating further from their respective country’s homeport – in some cases within striking distance of the United States. Given the expansion in operations, anti-submarine warfare (ASW) platforms on both coasts of the United States will be required to monitor and defend the nation more frequently. Foreign submarine operations near the homeland are not necessarily immediate threats, but do require careful thought as the Navy prepares to execute future ASW missions. As budget and naval policymakers continue to plan for the future, ASW must remain a high priority for either homeland or overseas defense. The good news is that the U.S. Navy has new platforms and technology coming online that can provide a significant advantage in the undersea domain.