China fired a ballistic missile from a nuclear-powered submarine into the South Pacific on July 6, marking the first test of its kind in the region in approximately two years. The launch, which took place at 12:01 p.m. local time from what is believed to be a Type 094 Jin-class submarine, carried a dummy warhead that landed in designated international waters.

The response from the neighborhood was swift and negative. Australia, Japan, New Zealand, and Taiwan all condemned the test as a destabilizing act for the Indo-Pacific region.

What happened and why it matters beyond missiles

China issued overseas notifications of the launch shortly before it happened, giving some nations only hours of advance warning. The timing wasn’t accidental. The test coincided with a recently signed defense pact between Australia and Fiji, a move that Beijing has watched with considerable displeasure.

The missile variant involved is potentially a JL-2 or JL-3 SLBM, both of which represent key pillars of China’s ongoing naval expansion and ballistic-missile submarine development program.