For more than seventy years, East Asia has been the nexus of US presence and engagement in Asia. Today, the region is becoming a hotbed for the return of great power competition, with long-term US allies and partners like Japan, the Republic of Korea, and Taiwan next door to competitors and challengers including China, Russia, and the Democratic People’s Republic of Korea. While East Asia continues to navigate a number of longstanding traditional security issues, it must also address the rise of online disinformation, competition to pioneer emerging technologies, and more.