Obama Says U.S. Will Defend Japan’s Senkakus

Invokes Article 5 of defense treaty in message to China (Updated)

Photos Show China Military Buildup on Island Near Senkakus

Tensions high between China and Japan over island chain

U.S. General: Aggressive Chinese Territorial Claims Bring Risks

Air Force Gen. Herbert Carlisle says Chinese territorial claims run risk of 'miscalculations'

Chinese Navy Conducts War Games

Beijing War Prep

China moves mobile missiles near coast amid tensions with Japan over islands

U.S. Investigating White House Cyber Attack

Officials: President Obama was not informed at the time the White House Military Office hack was discovered

Cyber Blitz

U.S. officials say China behind cyber attacks on Japan

Chinese General: Prepare for Combat

Top Chinese general in unusual move tells troops to ready for combat with Japan

Ready To Launch

China conducts rare flight test of new submarine-launched missile