Japan expressed serious concern Tuesday after Chinese and Russian bombers conducted a joint long-distance flight near Japanese waters and airspace [1].

The incident represents a coordinated military display by two major powers in a sensitive region. Tokyo views these maneuvers as a direct challenge to its national security and regional stability.

Chief Cabinet Secretary Kihara said the flights, which occurred on June 27 [1], were clearly intended as a show of force against Japan. He said the activity is a "serious concern for our country's security" [1]. The Japanese government has since conveyed its concerns to both nations through diplomatic channels [1].

This operation marks the 10th such joint flight [1]. It is the first time the two nations have conducted this specific type of joint flight since December 2025 [2].

Kihara said the government is collecting and analyzing information with "serious interest" [2]. The flights took place in the sea and air zones surrounding Japan, though they did not enter Japanese territorial waters or airspace [1].

Japan has increased its monitoring of regional aerial activity as tensions rise between the West and the China-Russia partnership. The government continues to track the movements of these bomber fleets to prevent potential incursions [1].

Our country's security, serious concern.

The resumption of joint patrols by China and Russia after a six-month hiatus signals a deepening military alignment between Moscow and Beijing. By conducting these flights near Japanese airspace, the two nations are demonstrating their ability to coordinate long-range strategic assets, likely intended to pressure Japan and its allies while signaling a united front against regional security frameworks.