Summary: U.S. President Joe Biden , South Korea n President Yoon Sik-yul, and Japan ese Prime Minister Fumio Kishida agree to deepen military and economic ties . Joint condemnation of China 's aggressive behavior in the South China Sea marks a significant move. Leaders commit to consult and coordinate during crises, focusing on information sharing and ballistic missile defense cooperation. Joint statement opposes unilateral attempts by China to change the status quo in the Indo-Pacific region. Beijing expresses concerns that strengthened U.S. t...