The United States dispatched two bombers to Japan for exercises on Wednesday, a day after Russian and Chinese military aircraft "patrolled" near the U.S. ally's territory.

Newsweek has reached out to China 's Foreign Ministry for comment by email. Russia 's Defense and Foreign Ministries did not immediately respond to a request for comment.

Why It Matters

Japan is a vital U.S. treaty ally, where about 60,000 American troops are stationed along with stealth fighter jets , an aircraft carrier and missile defense systems . The two allies regularly conduct joint war games to bolster their readiness amid what Tokyo describes as " the most severe and complex security environment " since World War II.

The Russia-China joint bomber patrol , carried out on Tuesday, came amid r

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