China and Russia expanded their regional security cooperation this week by flying joint bomber patrols near Japan and South Korea. The flights drew an immediate protest from Tokyo, which warned that the operation increased regional military risks.
Chinese defense spokesperson Guo Jiakun said the patrol formed part of the annual plan between both militaries. He noted that regional security cooperation strengthens their coordination and improves their response to shared challenges. He argued that Japan showed unnecessary alarm and misread the patrol’s purpose.
Guo responded after Japanese Defense Minister Shinjiro Koizumi voiced serious concerns in recent online meetings. Koizumi said the flights threatened regional stability and demanded continued monitoring by Japanese forces.
China confirmed that bombers and fighter jets participated in Tuesday’s mission, which marked their tenth joint patrol. Analysts said the operation also aligned with commemorations marking the 80th anniversary of wartime victories in Asia and Europe.
Chinese experts stated that regional security cooperation enables both countries to present unified strategic resolve. They said the patrol helped deter actions that might undermine peace during a tense geopolitical period.
Japan’s sharp reaction highlighted the growing divide between regional defense strategies. Tokyo has increased coordination with Western partners, while Beijing and Moscow have strengthened their own ties. South Korea also tracked the aircraft but avoided strong public criticism.
Chinese officials said they would continue issuing information about upcoming joint missions. They stressed that these operations aim to support long-term stability rather than provoke neighboring governments.
Analysts expect China and Russia to expand their joint training programs next year. They warned, however, that continued missions may intensify political friction if regional governments view the flights as hostile behavior rather than planned exercises.

