Guam is one of the United States’ most important bastions in the Western Pacific—but protecting it won’t be easy. Stationing in the Navy’s Standard Missile 6 (SM-6) on Guam is an absolute must, U.S.

As of last week, the U.S. House’s Appropriations Committee intends to cut funding for Guam’s missile defenses, even as it approves a funding increase for the Missile Defense Agency. This demonstrates ...