Indo-Pacific — 2026-11-09

US, Japan, Australia, and India Open Quad Exercise Malabar 2026 as Liaoning CSG Operates in Philippine Sea

BLUFMalabar 2026's routine interoperability drills near a deployed Liaoning CSG will test whether Beijing treats Quad exercises as provocations worth a public military response, a reaction that has not yet materialized.

The United States, Japan, Australia and India opened Exercise Malabar 2026 near Yokosuka, with a shore phase now underway and sea drills scheduled through November 12, according to USNI News 12. The JMSDF is contributing helicopter destroyer JS Ise, frigate JS Mogami, a submarine and a P-1 patrol aircraft; India sent frigate INS Sahyadri, Australia frigate HMAS Stuart and a P-8A, and the U.S. amphibious transport docks USS Anchorage and USS John P. Murtha plus a P-8A 1. The Tribune, relaying ANI, reported that Sahyadri arrived at Yokosuka on Wednesday, and that the harbor phase covers professional exchanges and operational planning 3. Separately, USNI News cited a graphic posted by Taiwan's National Security Council Secretary General Joseph Wu placing the Liaoning carrier strike group northeast of Luzon in the Philippine Sea as of Wednesday 1.

Analysis
Malabar 2026 shows the Quad navies still selecting routine interoperability over signaling aimed at the Liaoning group's presence northeast of Luzon. The two overlap in time, but reporting links them only by proximity, with no PLAN reaction or shadowing of Malabar units, and the timing may simply reflect a routine autumn carrier deployment. Japan's hosting, with Ise, Mogami and a submarine, gives Tokyo the lead in the anti-submarine and anti-surface serials the Quad now rehearses annually. The exercise moved from announced to under way on November 5, with sea drills still to come. Before the November 12 close, watch for PLAN or Joint Staff Office reports of Liaoning movement toward the exercise area and any public Chinese response. Confidence is high, resting on a primary Pacific Fleet release and converging USNI and Tribune accounts on participants and dates, though the Liaoning position rests on a single Taiwan National Security Council graphic.

4 sources