Chinese Carrier Strike Group Conducts Training Exercises in the Philippine Sea

Military Sentinel, Tokyo – The People’s Liberation Army Navy (PLAN) has deployed the aircraft carrier CNS Liaoning and its accompanying strike group into the Philippine Sea to conduct routine maritime and aviation training exercises, according to reports from Japan’s Joint Staff Office.

The deployment marks the second operational patrol for the Liaoning carrier strike group this year, coming just days before the scheduled start of large-scale bilateral military exercises between the United States and Japan. Defense officials and regional analysts are closely monitoring the fleet movements as naval activity intensifies across the Western Pacific.

Strike Group Composition and Route

According to surveillance data released by the Japan Joint Staff Office, the Liaoning task group was spotted approximately 155 miles south of Japan’s Ishigaki Island. The strike group is anchored by the Type 001 aircraft carrier CNS Liaoning (16), accompanied by two Type 055 large guided-missile cruisers CNS Anshan (103) and CNS Wuxi (104) along with the Type 052D guided-missile destroyer CNS Huainen (123).

The formation was tracked sailing south through the East China Sea before transiting southeast between Okinawa and Miyako Island to enter the strategic waters of the Philippine Sea. In response to the movement, the Japan Maritime Self-Defense Force deployed the destroyer JS Yugiri (DD-153) alongside P-1 and P-3C Orion maritime patrol aircraft for monitoring and intelligence collection. Meanwhile, the Japan Air Self-Defense Force scrambled interceptor aircraft as flight operations involving carrier-based fixed-wing aircraft and helicopters commenced off the Liaoning.

Official Response and Regional Context

Chinese defense authorities maintained that the deployment is part of a standard annual training schedule. A statement from the PLAN emphasized that the drills comply with international law and standard maritime practice, noting that the exercises are designed to validate tactical proficiencies and enhance mission execution capabilities in open ocean environments rather than targeting specific regional actors.

The maneuvers coincide with a period of heightened regional exercises. The deployment precedes the commencement of Exercise Keen Sword 27, a major bilateral, joint integrated combat training initiative involving U.S. and Japanese forces. The upcoming exercises are set to feature naval assets including the U.S. Navy’s USS Theodore Roosevelt Carrier Strike Group, alongside mobile coastal defense and radar systems deployed by U.S. Marines and the Japan Ground Self-Defense Force to southwestern island chains near Taiwan.

Strategic analysts note that operating carrier strike groups in the Philippine Sea allows Beijing to test power-projection capabilities beyond the first island chain, providing valuable operational experience for carrier aviation units conducting blue-water missions.