China Fires JL-3 SLBM into South Pacific, Triggering U.S.–Allies Arms-Control Alarm

The image of a Chinese SLBM arcing over the South Pacific echoes the U.S. Polaris A-3 tests from USS Observation Island in 1962 and the Soviet Yankee-class patrols of the early 1970s—moments when emerging sea-based deterrents signaled strategic maturity and rattled rivals. Beijing’s move fits a longer trend: after decades of minimal-deterrent doctrine, China is building the classic nuclear triad, expanding silo fields in Xinjiang, parading new ICBMs in 2025, and now normalizing ocean-going missile trials, just as the post-Cold-War arms-control fabric (INF scrapped 2019, New START expired Feb 2026) unravels. On a century horizon, the test matters less for the splash zone than for what it indicates: the Pacific, once dominated by U.S. submarines, is becoming a bidirectional bastion, complicating crisis stability much as Britain’s 1906 HMS Dreadnought upended naval balances. If unbridled, parallel SLBM fleets could lock East and West into a “mutual shadowing” regime for decades; conversely, history shows (e.g., 1972 SALT I after Soviet Delta launches) that dramatic sea tests can also catalyze fresh negotiations—provided the parties think beyond immediate signalling and election cycles.